18189990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2254

約数の個数: 96

約数和(自身を含む): 58234176

約数和(自身を除く): 40044186

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2221, 2730, 4095, 4442, 6663, 8190, 11105, 13326, 15547, 19989, 22210, 28873, 31094, 33315, 39978, 46641, 57746, 66630, 77735, 86619, 93282, 99945, 139923, 144365, 155470, 173238, 199890, 202111, 233205, 259857, 279846, 288730, 404222, 433095, 466410, 519714, 606333, 699615, 866190, 1010555, 1212666, 1299285, 1399230, 1818999, 2021110, 2598570, 3031665, 3637998, 6063330, 9094995, 18189990]

約数ペア:

[(1, 18189990), (2, 9094995), (3, 6063330), (5, 3637998), (6, 3031665), (7, 2598570), (9, 2021110), (10, 1818999), (13, 1399230), (14, 1299285), (15, 1212666), (18, 1010555), (21, 866190), (26, 699615), (30, 606333), (35, 519714), (39, 466410), (42, 433095), (45, 404222), (63, 288730), (65, 279846), (70, 259857), (78, 233205), (90, 202111), (91, 199890), (105, 173238), (117, 155470), (126, 144365), (130, 139923), (182, 99945), (195, 93282), (210, 86619), (234, 77735), (273, 66630), (315, 57746), (390, 46641), (455, 39978), (546, 33315), (585, 31094), (630, 28873), (819, 22210), (910, 19989), (1170, 15547), (1365, 13326), (1638, 11105), (2221, 8190), (2730, 6663), (4095, 4442)]