538372220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1416769}}^1$

素因数の和:1416797

約数の個数: 24

約数和(自身を含む): 1190086800

約数和(自身を除く): 651714580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1416769, 2833538, 5667076, 7083845, 14167690, 26918611, 28335380, 53837222, 107674444, 134593055, 269186110, 538372220]

約数ペア:

[(1, 538372220), (2, 269186110), (4, 134593055), (5, 107674444), (10, 53837222), (19, 28335380), (20, 26918611), (38, 14167690), (76, 7083845), (95, 5667076), (190, 2833538), (380, 1416769)]