18302740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19471}}^1$

素因数の和:19527

約数の個数: 24

約数和(自身を含む): 39255552

約数和(自身を除く): 20952812

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19471, 38942, 77884, 97355, 194710, 389420, 915137, 1830274, 3660548, 4575685, 9151370, 18302740]

約数ペア:

[(1, 18302740), (2, 9151370), (4, 4575685), (5, 3660548), (10, 1830274), (20, 915137), (47, 389420), (94, 194710), (188, 97355), (235, 77884), (470, 38942), (940, 19471)]