19078160

素因数分解:

$2^4\times 5^1\times {\mathrm{238477}}^1$

素因数の和:238490

約数の個数: 20

約数和(自身を含む): 44356908

約数和(自身を除く): 25278748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238477, 476954, 953908, 1192385, 1907816, 2384770, 3815632, 4769540, 9539080, 19078160]

約数ペア:

[(1, 19078160), (2, 9539080), (4, 4769540), (5, 3815632), (8, 2384770), (10, 1907816), (16, 1192385), (20, 953908), (40, 476954), (80, 238477)]