18444440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3467}}^1$

素因数の和:3504

約数の個数: 64

約数和(自身を含む): 49939200

約数和(自身を除く): 31494760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3467, 5320, 6934, 13868, 17335, 24269, 27736, 34670, 48538, 65873, 69340, 97076, 121345, 131746, 138680, 194152, 242690, 263492, 329365, 461111, 485380, 526984, 658730, 922222, 970760, 1317460, 1844444, 2305555, 2634920, 3688888, 4611110, 9222220, 18444440]

約数ペア:

[(1, 18444440), (2, 9222220), (4, 4611110), (5, 3688888), (7, 2634920), (8, 2305555), (10, 1844444), (14, 1317460), (19, 970760), (20, 922222), (28, 658730), (35, 526984), (38, 485380), (40, 461111), (56, 329365), (70, 263492), (76, 242690), (95, 194152), (133, 138680), (140, 131746), (152, 121345), (190, 97076), (266, 69340), (280, 65873), (380, 48538), (532, 34670), (665, 27736), (760, 24269), (1064, 17335), (1330, 13868), (2660, 6934), (3467, 5320)]