19101797

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 23355360

約数和(自身を除く): 4253563

約数列:

[1, 11, 13, 31, 139, 143, 341, 403, 961, 1529, 1807, 4309, 4433, 10571, 12493, 19877, 47399, 56017, 133579, 137423, 616187, 1469369, 1736527, 19101797]

約数ペア:

[(1, 19101797), (11, 1736527), (13, 1469369), (31, 616187), (139, 137423), (143, 133579), (341, 56017), (403, 47399), (961, 19877), (1529, 12493), (1807, 10571), (4309, 4433)]