19672220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51769}}^1$

素因数の和:51797

約数の個数: 24

約数和(自身を含む): 43486800

約数和(自身を除く): 23814580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51769, 103538, 207076, 258845, 517690, 983611, 1035380, 1967222, 3934444, 4918055, 9836110, 19672220]

約数ペア:

[(1, 19672220), (2, 9836110), (4, 4918055), (5, 3934444), (10, 1967222), (19, 1035380), (20, 983611), (38, 517690), (76, 258845), (95, 207076), (190, 103538), (380, 51769)]