18257512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25288088

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 809, 868, 1612, 1618, 1736, 2821, 3224, 3236, 5642, 5663, 6472, 10517, 11284, 11326, 21034, 22568, 22652, 25079, 42068, 45304, 50158, 73619, 84136, 100316, 147238, 175553, 200632, 294476, 326027, 351106, 588952, 652054, 702212, 1304108, 1404424, 2282189, 2608216, 4564378, 9128756, 18257512]

約数ペア:

[(1, 18257512), (2, 9128756), (4, 4564378), (7, 2608216), (8, 2282189), (13, 1404424), (14, 1304108), (26, 702212), (28, 652054), (31, 588952), (52, 351106), (56, 326027), (62, 294476), (91, 200632), (104, 175553), (124, 147238), (182, 100316), (217, 84136), (248, 73619), (364, 50158), (403, 45304), (434, 42068), (728, 25079), (806, 22652), (809, 22568), (868, 21034), (1612, 11326), (1618, 11284), (1736, 10517), (2821, 6472), (3224, 5663), (3236, 5642)]