19751390

素因数分解:

$2^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1901}}^1$

素因数の和:2947

約数の個数: 16

約数和(自身を含む): 35605440

約数和(自身を除く): 15854050

約数列:

[1, 2, 5, 10, 1039, 1901, 2078, 3802, 5195, 9505, 10390, 19010, 1975139, 3950278, 9875695, 19751390]

約数ペア:

[(1, 19751390), (2, 9875695), (5, 3950278), (10, 1975139), (1039, 19010), (1901, 10390), (2078, 9505), (3802, 5195)]