19309552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70991}}^1$

素因数の和:71016

約数の個数: 20

約数和(自身を含む): 39613536

約数和(自身を除く): 20303984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70991, 141982, 283964, 567928, 1135856, 1206847, 2413694, 4827388, 9654776, 19309552]

約数ペア:

[(1, 19309552), (2, 9654776), (4, 4827388), (8, 2413694), (16, 1206847), (17, 1135856), (34, 567928), (68, 283964), (136, 141982), (272, 70991)]