18289119940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2011}}^1$

素因数の和:2322

約数の個数: 192

約数和(自身を含む): 49972285440

約数和(自身を除く): 31683165500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 263, 266, 364, 380, 455, 494, 526, 532, 665, 910, 988, 1052, 1235, 1315, 1330, 1729, 1820, 1841, 2011, 2470, 2630, 2660, 3419, 3458, 3682, 4022, 4940, 4997, 5260, 6838, 6916, 7364, 8044, 8645, 9205, 9994, 10055, 13676, 14077, 17095, 17290, 18410, 19988, 20110, 23933, 24985, 26143, 28154, 34190, 34580, 34979, 36820, 38209, 40220, 47866, 49970, 52286, 56308, 64961, 68380, 69958, 70385, 76418, 95732, 99940, 104572, 119665, 129922, 130715, 139916, 140770, 152836, 174895, 183001, 191045, 239330, 259844, 261430, 267463, 281540, 324805, 349790, 366002, 382090, 454727, 478660, 496717, 522860, 528893, 534926, 649610, 699580, 732004, 764180, 909454, 915005, 993434, 1057786, 1069852, 1299220, 1337315, 1818908, 1830010, 1986868, 2115572, 2273635, 2483585, 2644465, 2674630, 3477019, 3660020, 3702251, 4547270, 4967170, 5288930, 5349260, 6875609, 6954038, 7404502, 9094540, 9934340, 10048967, 10577860, 13751218, 13908076, 14809004, 17385095, 18511255, 20097934, 27502436, 34378045, 34770190, 37022510, 40195868, 48129263, 50244835, 68756090, 69540380, 70342769, 74045020, 96258526, 100489670, 130636571, 137512180, 140685538, 192517052, 200979340, 240646315, 261273142, 281371076, 351713845, 481292630, 522546284, 653182855, 703427690, 914455997, 962585260, 1306365710, 1406855380, 1828911994, 2612731420, 3657823988, 4572279985, 9144559970, 18289119940]

約数ペア:

[(1, 18289119940), (2, 9144559970), (4, 4572279985), (5, 3657823988), (7, 2612731420), (10, 1828911994), (13, 1406855380), (14, 1306365710), (19, 962585260), (20, 914455997), (26, 703427690), (28, 653182855), (35, 522546284), (38, 481292630), (52, 351713845), (65, 281371076), (70, 261273142), (76, 240646315), (91, 200979340), (95, 192517052), (130, 140685538), (133, 137512180), (140, 130636571), (182, 100489670), (190, 96258526), (247, 74045020), (260, 70342769), (263, 69540380), (266, 68756090), (364, 50244835), (380, 48129263), (455, 40195868), (494, 37022510), (526, 34770190), (532, 34378045), (665, 27502436), (910, 20097934), (988, 18511255), (1052, 17385095), (1235, 14809004), (1315, 13908076), (1330, 13751218), (1729, 10577860), (1820, 10048967), (1841, 9934340), (2011, 9094540), (2470, 7404502), (2630, 6954038), (2660, 6875609), (3419, 5349260), (3458, 5288930), (3682, 4967170), (4022, 4547270), (4940, 3702251), (4997, 3660020), (5260, 3477019), (6838, 2674630), (6916, 2644465), (7364, 2483585), (8044, 2273635), (8645, 2115572), (9205, 1986868), (9994, 1830010), (10055, 1818908), (13676, 1337315), (14077, 1299220), (17095, 1069852), (17290, 1057786), (18410, 993434), (19988, 915005), (20110, 909454), (23933, 764180), (24985, 732004), (26143, 699580), (28154, 649610), (34190, 534926), (34580, 528893), (34979, 522860), (36820, 496717), (38209, 478660), (40220, 454727), (47866, 382090), (49970, 366002), (52286, 349790), (56308, 324805), (64961, 281540), (68380, 267463), (69958, 261430), (70385, 259844), (76418, 239330), (95732, 191045), (99940, 183001), (104572, 174895), (119665, 152836), (129922, 140770), (130715, 139916)]