17986696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 42900480

約数和(自身を除く): 24913784

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, 797, 806, 868, 1594, 1612, 1736, 2821, 3188, 3224, 5579, 5642, 6376, 10361, 11158, 11284, 20722, 22316, 22568, 24707, 41444, 44632, 49414, 72527, 82888, 98828, 145054, 172949, 197656, 290108, 321191, 345898, 580216, 642382, 691796, 1284764, 1383592, 2248337, 2569528, 4496674, 8993348, 17986696]

約数ペア:

[(1, 17986696), (2, 8993348), (4, 4496674), (7, 2569528), (8, 2248337), (13, 1383592), (14, 1284764), (26, 691796), (28, 642382), (31, 580216), (52, 345898), (56, 321191), (62, 290108), (91, 197656), (104, 172949), (124, 145054), (182, 98828), (217, 82888), (248, 72527), (364, 49414), (403, 44632), (434, 41444), (728, 24707), (797, 22568), (806, 22316), (868, 20722), (1594, 11284), (1612, 11158), (1736, 10361), (2821, 6376), (3188, 5642), (3224, 5579)]