18684980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49171}}^1$

素因数の和:49199

約数の個数: 24

約数和(自身を含む): 41304480

約数和(自身を除く): 22619500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49171, 98342, 196684, 245855, 491710, 934249, 983420, 1868498, 3736996, 4671245, 9342490, 18684980]

約数ペア:

[(1, 18684980), (2, 9342490), (4, 4671245), (5, 3736996), (10, 1868498), (19, 983420), (20, 934249), (38, 491710), (76, 245855), (95, 196684), (190, 98342), (380, 49171)]