18131350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 36278928

約数和(自身を除く): 18147578

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 83, 85, 166, 170, 257, 415, 425, 514, 830, 850, 1285, 1411, 2075, 2570, 2822, 4150, 4369, 6425, 7055, 8738, 12850, 14110, 21331, 21845, 35275, 42662, 43690, 70550, 106655, 109225, 213310, 218450, 362627, 533275, 725254, 1066550, 1813135, 3626270, 9065675, 18131350]

約数ペア:

[(1, 18131350), (2, 9065675), (5, 3626270), (10, 1813135), (17, 1066550), (25, 725254), (34, 533275), (50, 362627), (83, 218450), (85, 213310), (166, 109225), (170, 106655), (257, 70550), (415, 43690), (425, 42662), (514, 35275), (830, 21845), (850, 21331), (1285, 14110), (1411, 12850), (2075, 8738), (2570, 7055), (2822, 6425), (4150, 4369)]