19420386704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63882851}}^1$

素因数の和:63882878

約数の個数: 20

約数和(自身を含む): 39607368240

約数和(自身を除く): 20186981536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63882851, 127765702, 255531404, 511062808, 1022125616, 1213774169, 2427548338, 4855096676, 9710193352, 19420386704]

約数ペア:

[(1, 19420386704), (2, 9710193352), (4, 4855096676), (8, 2427548338), (16, 1213774169), (19, 1022125616), (38, 511062808), (76, 255531404), (152, 127765702), (304, 63882851)]