19188235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{853}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 25210080

約数和(自身を除く): 6021845

約数列:

[1, 5, 11, 55, 409, 853, 2045, 4265, 4499, 9383, 22495, 46915, 348877, 1744385, 3837647, 19188235]

約数ペア:

[(1, 19188235), (5, 3837647), (11, 1744385), (55, 348877), (409, 46915), (853, 22495), (2045, 9383), (4265, 4499)]