18189080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 53222400

約数和(自身を除く): 35033320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 263, 266, 280, 364, 380, 455, 494, 520, 526, 532, 665, 728, 760, 910, 988, 1052, 1064, 1235, 1315, 1330, 1729, 1820, 1841, 1976, 2104, 2470, 2630, 2660, 3419, 3458, 3640, 3682, 4940, 4997, 5260, 5320, 6838, 6916, 7364, 8645, 9205, 9880, 9994, 10520, 13676, 13832, 14728, 17095, 17290, 18410, 19988, 23933, 24985, 27352, 34190, 34580, 34979, 36820, 39976, 47866, 49970, 64961, 68380, 69160, 69958, 73640, 95732, 99940, 119665, 129922, 136760, 139916, 174895, 191464, 199880, 239330, 259844, 279832, 324805, 349790, 454727, 478660, 519688, 649610, 699580, 909454, 957320, 1299220, 1399160, 1818908, 2273635, 2598440, 3637816, 4547270, 9094540, 18189080]

約数ペア:

[(1, 18189080), (2, 9094540), (4, 4547270), (5, 3637816), (7, 2598440), (8, 2273635), (10, 1818908), (13, 1399160), (14, 1299220), (19, 957320), (20, 909454), (26, 699580), (28, 649610), (35, 519688), (38, 478660), (40, 454727), (52, 349790), (56, 324805), (65, 279832), (70, 259844), (76, 239330), (91, 199880), (95, 191464), (104, 174895), (130, 139916), (133, 136760), (140, 129922), (152, 119665), (182, 99940), (190, 95732), (247, 73640), (260, 69958), (263, 69160), (266, 68380), (280, 64961), (364, 49970), (380, 47866), (455, 39976), (494, 36820), (520, 34979), (526, 34580), (532, 34190), (665, 27352), (728, 24985), (760, 23933), (910, 19988), (988, 18410), (1052, 17290), (1064, 17095), (1235, 14728), (1315, 13832), (1330, 13676), (1729, 10520), (1820, 9994), (1841, 9880), (1976, 9205), (2104, 8645), (2470, 7364), (2630, 6916), (2660, 6838), (3419, 5320), (3458, 5260), (3640, 4997), (3682, 4940)]