19400944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71327}}^1$

素因数の和:71352

約数の個数: 20

約数和(自身を含む): 39801024

約数和(自身を除く): 20400080

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71327, 142654, 285308, 570616, 1141232, 1212559, 2425118, 4850236, 9700472, 19400944]

約数ペア:

[(1, 19400944), (2, 9700472), (4, 4850236), (8, 2425118), (16, 1212559), (17, 1141232), (34, 570616), (68, 285308), (136, 142654), (272, 71327)]