18223660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 192

約数和(自身を含む): 54190080

約数和(自身を除く): 35966420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 31, 34, 35, 38, 52, 62, 65, 68, 70, 76, 85, 91, 95, 119, 124, 130, 133, 140, 155, 170, 182, 190, 217, 221, 238, 247, 260, 266, 310, 323, 340, 364, 380, 403, 434, 442, 455, 476, 494, 527, 532, 589, 595, 620, 646, 665, 806, 868, 884, 910, 988, 1054, 1085, 1105, 1178, 1190, 1235, 1292, 1330, 1547, 1612, 1615, 1729, 1820, 2015, 2108, 2170, 2210, 2261, 2356, 2380, 2470, 2635, 2660, 2821, 2945, 3094, 3230, 3458, 3689, 4030, 4123, 4199, 4340, 4420, 4522, 4940, 5270, 5642, 5890, 6188, 6460, 6851, 6916, 7378, 7657, 7735, 8060, 8246, 8398, 8645, 9044, 10013, 10540, 11284, 11305, 11780, 13702, 14105, 14756, 15314, 15470, 16492, 16796, 17290, 18445, 20026, 20615, 20995, 22610, 27404, 28210, 29393, 30628, 30940, 34255, 34580, 36890, 38285, 40052, 41230, 41990, 45220, 47957, 50065, 53599, 56420, 58786, 68510, 70091, 73780, 76570, 82460, 83980, 95914, 100130, 107198, 117572, 130169, 137020, 140182, 146965, 153140, 191828, 200260, 214396, 239785, 260338, 267995, 280364, 293930, 350455, 479570, 520676, 535990, 587860, 650845, 700910, 911183, 959140, 1071980, 1301690, 1401820, 1822366, 2603380, 3644732, 4555915, 9111830, 18223660]

約数ペア:

[(1, 18223660), (2, 9111830), (4, 4555915), (5, 3644732), (7, 2603380), (10, 1822366), (13, 1401820), (14, 1301690), (17, 1071980), (19, 959140), (20, 911183), (26, 700910), (28, 650845), (31, 587860), (34, 535990), (35, 520676), (38, 479570), (52, 350455), (62, 293930), (65, 280364), (68, 267995), (70, 260338), (76, 239785), (85, 214396), (91, 200260), (95, 191828), (119, 153140), (124, 146965), (130, 140182), (133, 137020), (140, 130169), (155, 117572), (170, 107198), (182, 100130), (190, 95914), (217, 83980), (221, 82460), (238, 76570), (247, 73780), (260, 70091), (266, 68510), (310, 58786), (323, 56420), (340, 53599), (364, 50065), (380, 47957), (403, 45220), (434, 41990), (442, 41230), (455, 40052), (476, 38285), (494, 36890), (527, 34580), (532, 34255), (589, 30940), (595, 30628), (620, 29393), (646, 28210), (665, 27404), (806, 22610), (868, 20995), (884, 20615), (910, 20026), (988, 18445), (1054, 17290), (1085, 16796), (1105, 16492), (1178, 15470), (1190, 15314), (1235, 14756), (1292, 14105), (1330, 13702), (1547, 11780), (1612, 11305), (1615, 11284), (1729, 10540), (1820, 10013), (2015, 9044), (2108, 8645), (2170, 8398), (2210, 8246), (2261, 8060), (2356, 7735), (2380, 7657), (2470, 7378), (2635, 6916), (2660, 6851), (2821, 6460), (2945, 6188), (3094, 5890), (3230, 5642), (3458, 5270), (3689, 4940), (4030, 4522), (4123, 4420), (4199, 4340)]