18539350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1283}}^1$

素因数の和:1329

約数の個数: 36

約数和(自身を含む): 36659484

約数和(自身を除く): 18120134

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1283, 1445, 2566, 2890, 6415, 7225, 12830, 14450, 21811, 32075, 43622, 64150, 109055, 218110, 370787, 545275, 741574, 1090550, 1853935, 3707870, 9269675, 18539350]

約数ペア:

[(1, 18539350), (2, 9269675), (5, 3707870), (10, 1853935), (17, 1090550), (25, 741574), (34, 545275), (50, 370787), (85, 218110), (170, 109055), (289, 64150), (425, 43622), (578, 32075), (850, 21811), (1283, 14450), (1445, 12830), (2566, 7225), (2890, 6415)]