19907536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113111}}^1$

素因数の和:113130

約数の個数: 20

約数和(自身を含む): 42077664

約数和(自身を除く): 22170128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113111, 226222, 452444, 904888, 1244221, 1809776, 2488442, 4976884, 9953768, 19907536]

約数ペア:

[(1, 19907536), (2, 9953768), (4, 4976884), (8, 2488442), (11, 1809776), (16, 1244221), (22, 904888), (44, 452444), (88, 226222), (176, 113111)]