19879036

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 36162000

約数和(自身を除く): 16282964

約数列:

[1, 2, 4, 29, 58, 116, 409, 419, 818, 838, 1636, 1676, 11861, 12151, 23722, 24302, 47444, 48604, 171371, 342742, 685484, 4969759, 9939518, 19879036]

約数ペア:

[(1, 19879036), (2, 9939518), (4, 4969759), (29, 685484), (58, 342742), (116, 171371), (409, 48604), (419, 47444), (818, 24302), (838, 23722), (1636, 12151), (1676, 11861)]