42920012

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{29723}}^1$

素因数の和:29765

約数の個数: 18

約数和(自身を含む): 79273908

約数和(自身を除く): 36353896

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 29723, 59446, 118892, 564737, 1129474, 2258948, 10730003, 21460006, 42920012]

約数ペア:

[(1, 42920012), (2, 21460006), (4, 10730003), (19, 2258948), (38, 1129474), (76, 564737), (361, 118892), (722, 59446), (1444, 29723)]