18902390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1499}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 37044000

約数和(自身を除く): 18141610

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1499, 2522, 2998, 6305, 7495, 12610, 14990, 19487, 38974, 97435, 145403, 194870, 290806, 727015, 1454030, 1890239, 3780478, 9451195, 18902390]

約数ペア:

[(1, 18902390), (2, 9451195), (5, 3780478), (10, 1890239), (13, 1454030), (26, 727015), (65, 290806), (97, 194870), (130, 145403), (194, 97435), (485, 38974), (970, 19487), (1261, 14990), (1499, 12610), (2522, 7495), (2998, 6305)]