20189916678

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78255491}}^1$

素因数の和:78255539

約数の個数: 16

約数和(自身を含む): 41318899776

約数和(自身を除く): 21128983098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78255491, 156510982, 234766473, 469532946, 3364986113, 6729972226, 10094958339, 20189916678]

約数ペア:

[(1, 20189916678), (2, 10094958339), (3, 6729972226), (6, 3364986113), (43, 469532946), (86, 234766473), (129, 156510982), (258, 78255491)]