18575830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 23155370

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 137, 149, 182, 274, 298, 455, 685, 745, 910, 959, 1043, 1370, 1490, 1781, 1918, 1937, 2086, 3562, 3874, 4795, 5215, 8905, 9590, 9685, 10430, 12467, 13559, 17810, 19370, 20413, 24934, 27118, 40826, 62335, 67795, 102065, 124670, 135590, 142891, 204130, 265369, 285782, 530738, 714455, 1326845, 1428910, 1857583, 2653690, 3715166, 9287915, 18575830]

約数ペア:

[(1, 18575830), (2, 9287915), (5, 3715166), (7, 2653690), (10, 1857583), (13, 1428910), (14, 1326845), (26, 714455), (35, 530738), (65, 285782), (70, 265369), (91, 204130), (130, 142891), (137, 135590), (149, 124670), (182, 102065), (274, 67795), (298, 62335), (455, 40826), (685, 27118), (745, 24934), (910, 20413), (959, 19370), (1043, 17810), (1370, 13559), (1490, 12467), (1781, 10430), (1918, 9685), (1937, 9590), (2086, 8905), (3562, 5215), (3874, 4795)]