18717390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{207971}}^1$

素因数の和:207984

約数の個数: 24

約数和(自身を含む): 48665448

約数和(自身を除く): 29948058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 207971, 415942, 623913, 1039855, 1247826, 1871739, 2079710, 3119565, 3743478, 6239130, 9358695, 18717390]

約数ペア:

[(1, 18717390), (2, 9358695), (3, 6239130), (5, 3743478), (6, 3119565), (9, 2079710), (10, 1871739), (15, 1247826), (18, 1039855), (30, 623913), (45, 415942), (90, 207971)]