19614160

素因数分解:

$2^4\times 5^1\times {\mathrm{245177}}^1$

素因数の和:245190

約数の個数: 20

約数和(自身を含む): 45603108

約数和(自身を除く): 25988948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 245177, 490354, 980708, 1225885, 1961416, 2451770, 3922832, 4903540, 9807080, 19614160]

約数ペア:

[(1, 19614160), (2, 9807080), (4, 4903540), (5, 3922832), (8, 2451770), (10, 1961416), (16, 1225885), (20, 980708), (40, 490354), (80, 245177)]