20183778

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21157}}^1$

素因数の和:21218

約数の個数: 24

約数和(自身を含む): 44558748

約数和(自身を除く): 24374970

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21157, 42314, 63471, 126942, 190413, 380826, 1121321, 2242642, 3363963, 6727926, 10091889, 20183778]

約数ペア:

[(1, 20183778), (2, 10091889), (3, 6727926), (6, 3363963), (9, 2242642), (18, 1121321), (53, 380826), (106, 190413), (159, 126942), (318, 63471), (477, 42314), (954, 21157)]