18636670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 37904832

約数和(自身を除く): 19268162

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 271, 299, 529, 542, 598, 1058, 1355, 1495, 2645, 2710, 2990, 3523, 5290, 6233, 6877, 7046, 12466, 13754, 17615, 31165, 34385, 35230, 62330, 68770, 81029, 143359, 162058, 286718, 405145, 716795, 810290, 1433590, 1863667, 3727334, 9318335, 18636670]

約数ペア:

[(1, 18636670), (2, 9318335), (5, 3727334), (10, 1863667), (13, 1433590), (23, 810290), (26, 716795), (46, 405145), (65, 286718), (115, 162058), (130, 143359), (230, 81029), (271, 68770), (299, 62330), (529, 35230), (542, 34385), (598, 31165), (1058, 17615), (1355, 13754), (1495, 12466), (2645, 7046), (2710, 6877), (2990, 6233), (3523, 5290)]