18407390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5099}}^1$

素因数の和:5144

約数の個数: 24

約数和(自身を含む): 34975800

約数和(自身を除く): 16568410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5099, 10198, 25495, 50990, 96881, 193762, 484405, 968810, 1840739, 3681478, 9203695, 18407390]

約数ペア:

[(1, 18407390), (2, 9203695), (5, 3681478), (10, 1840739), (19, 968810), (38, 484405), (95, 193762), (190, 96881), (361, 50990), (722, 25495), (1805, 10198), (3610, 5099)]