18692778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{653}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 40432896

約数和(自身を除く): 21740118

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 367, 653, 734, 1101, 1306, 1959, 2202, 3918, 4771, 8489, 9542, 14313, 16978, 25467, 28626, 50934, 239651, 479302, 718953, 1437906, 3115463, 6230926, 9346389, 18692778]

約数ペア:

[(1, 18692778), (2, 9346389), (3, 6230926), (6, 3115463), (13, 1437906), (26, 718953), (39, 479302), (78, 239651), (367, 50934), (653, 28626), (734, 25467), (1101, 16978), (1306, 14313), (1959, 9542), (2202, 8489), (3918, 4771)]