19975590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221951}}^1$

素因数の和:221964

約数の個数: 24

約数和(自身を含む): 51936768

約数和(自身を除く): 31961178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221951, 443902, 665853, 1109755, 1331706, 1997559, 2219510, 3329265, 3995118, 6658530, 9987795, 19975590]

約数ペア:

[(1, 19975590), (2, 9987795), (3, 6658530), (5, 3995118), (6, 3329265), (9, 2219510), (10, 1997559), (15, 1331706), (18, 1109755), (30, 665853), (45, 443902), (90, 221951)]