11747140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18947}}^1$

素因数の和:18987

約数の個数: 24

約数和(自身を含む): 25466112

約数和(自身を除く): 13718972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 18947, 37894, 75788, 94735, 189470, 378940, 587357, 1174714, 2349428, 2936785, 5873570, 11747140]

約数ペア:

[(1, 11747140), (2, 5873570), (4, 2936785), (5, 2349428), (10, 1174714), (20, 587357), (31, 378940), (62, 189470), (124, 94735), (155, 75788), (310, 37894), (620, 18947)]