17974190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 36868608

約数和(自身を除く): 18894418

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 383, 494, 722, 766, 1235, 1805, 1915, 2470, 3610, 3830, 4693, 4979, 7277, 9386, 9958, 14554, 23465, 24895, 36385, 46930, 49790, 72770, 94601, 138263, 189202, 276526, 473005, 691315, 946010, 1382630, 1797419, 3594838, 8987095, 17974190]

約数ペア:

[(1, 17974190), (2, 8987095), (5, 3594838), (10, 1797419), (13, 1382630), (19, 946010), (26, 691315), (38, 473005), (65, 276526), (95, 189202), (130, 138263), (190, 94601), (247, 72770), (361, 49790), (383, 46930), (494, 36385), (722, 24895), (766, 23465), (1235, 14554), (1805, 9958), (1915, 9386), (2470, 7277), (3610, 4979), (3830, 4693)]