19679130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{218657}}^1$

素因数の和:218670

約数の個数: 24

約数和(自身を含む): 51165972

約数和(自身を除く): 31486842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 218657, 437314, 655971, 1093285, 1311942, 1967913, 2186570, 3279855, 3935826, 6559710, 9839565, 19679130]

約数ペア:

[(1, 19679130), (2, 9839565), (3, 6559710), (5, 3935826), (6, 3279855), (9, 2186570), (10, 1967913), (15, 1311942), (18, 1093285), (30, 655971), (45, 437314), (90, 218657)]