18747736

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24797864

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 47, 56, 68, 94, 119, 136, 188, 238, 329, 376, 419, 476, 658, 799, 838, 952, 1316, 1598, 1676, 2632, 2933, 3196, 3352, 5593, 5866, 6392, 7123, 11186, 11732, 14246, 19693, 22372, 23464, 28492, 39386, 44744, 49861, 56984, 78772, 99722, 137851, 157544, 199444, 275702, 334781, 398888, 551404, 669562, 1102808, 1339124, 2343467, 2678248, 4686934, 9373868, 18747736]

約数ペア:

[(1, 18747736), (2, 9373868), (4, 4686934), (7, 2678248), (8, 2343467), (14, 1339124), (17, 1102808), (28, 669562), (34, 551404), (47, 398888), (56, 334781), (68, 275702), (94, 199444), (119, 157544), (136, 137851), (188, 99722), (238, 78772), (329, 56984), (376, 49861), (419, 44744), (476, 39386), (658, 28492), (799, 23464), (838, 22372), (952, 19693), (1316, 14246), (1598, 11732), (1676, 11186), (2632, 7123), (2933, 6392), (3196, 5866), (3352, 5593)]