2019889417

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137867}}^1$

素因数の和:137917

約数の個数: 24

約数和(自身を含む): 2640447936

約数和(自身を除く): 620558519

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 14651, 137867, 965069, 1792271, 3170941, 6755483, 12545897, 22196587, 41222233, 87821279, 155376109, 288555631, 2019889417]

約数ペア:

[(1, 2019889417), (7, 288555631), (13, 155376109), (23, 87821279), (49, 41222233), (91, 22196587), (161, 12545897), (299, 6755483), (637, 3170941), (1127, 1792271), (2093, 965069), (14651, 137867)]