19707390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{218971}}^1$

素因数の和:218984

約数の個数: 24

約数和(自身を含む): 51239448

約数和(自身を除く): 31532058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 218971, 437942, 656913, 1094855, 1313826, 1970739, 2189710, 3284565, 3941478, 6569130, 9853695, 19707390]

約数ペア:

[(1, 19707390), (2, 9853695), (3, 6569130), (5, 3941478), (6, 3284565), (9, 2189710), (10, 1970739), (15, 1313826), (18, 1094855), (30, 656913), (45, 437942), (90, 218971)]