19017080

素因数分解:

$2^3\times 5^1\times {\mathrm{475427}}^1$

素因数の和:475438

約数の個数: 16

約数和(自身を含む): 42788520

約数和(自身を除く): 23771440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 475427, 950854, 1901708, 2377135, 3803416, 4754270, 9508540, 19017080]

約数ペア:

[(1, 19017080), (2, 9508540), (4, 4754270), (5, 3803416), (8, 2377135), (10, 1901708), (20, 950854), (40, 475427)]