18712232

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 44979840

約数和(自身を除く): 26267608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 821, 1036, 1628, 1642, 2072, 2849, 3256, 3284, 5698, 5747, 6568, 9031, 11396, 11494, 18062, 22792, 22988, 30377, 36124, 45976, 60754, 63217, 72248, 121508, 126434, 212639, 243016, 252868, 334147, 425278, 505736, 668294, 850556, 1336588, 1701112, 2339029, 2673176, 4678058, 9356116, 18712232]

約数ペア:

[(1, 18712232), (2, 9356116), (4, 4678058), (7, 2673176), (8, 2339029), (11, 1701112), (14, 1336588), (22, 850556), (28, 668294), (37, 505736), (44, 425278), (56, 334147), (74, 252868), (77, 243016), (88, 212639), (148, 126434), (154, 121508), (259, 72248), (296, 63217), (308, 60754), (407, 45976), (518, 36124), (616, 30377), (814, 22988), (821, 22792), (1036, 18062), (1628, 11494), (1642, 11396), (2072, 9031), (2849, 6568), (3256, 5747), (3284, 5698)]