181819690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1667}}^1$

素因数の和:2526

約数の個数: 32

約数和(自身を含む): 353082240

約数和(自身を除く): 171262550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 839, 1667, 1678, 3334, 4195, 8335, 8390, 10907, 16670, 21671, 21814, 43342, 54535, 108355, 109070, 216710, 1398613, 2797226, 6993065, 13986130, 18181969, 36363938, 90909845, 181819690]

約数ペア:

[(1, 181819690), (2, 90909845), (5, 36363938), (10, 18181969), (13, 13986130), (26, 6993065), (65, 2797226), (130, 1398613), (839, 216710), (1667, 109070), (1678, 108355), (3334, 54535), (4195, 43342), (8335, 21814), (8390, 21671), (10907, 16670)]