18769420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17707}}^1$

素因数の和:17769

約数の個数: 24

約数和(自身を含む): 40161744

約数和(自身を除く): 21392324

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 17707, 35414, 70828, 88535, 177070, 354140, 938471, 1876942, 3753884, 4692355, 9384710, 18769420]

約数ペア:

[(1, 18769420), (2, 9384710), (4, 4692355), (5, 3753884), (10, 1876942), (20, 938471), (53, 354140), (106, 177070), (212, 88535), (265, 70828), (530, 35414), (1060, 17707)]