11945540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19267}}^1$

素因数の和:19307

約数の個数: 24

約数和(自身を含む): 25896192

約数和(自身を除く): 13950652

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19267, 38534, 77068, 96335, 192670, 385340, 597277, 1194554, 2389108, 2986385, 5972770, 11945540]

約数ペア:

[(1, 11945540), (2, 5972770), (4, 2986385), (5, 2389108), (10, 1194554), (20, 597277), (31, 385340), (62, 192670), (124, 96335), (155, 77068), (310, 38534), (620, 19267)]