18668913

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1051}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 25853952

約数和(自身を除く): 7185039

約数列:

[1, 3, 31, 93, 191, 573, 1051, 3153, 5921, 17763, 32581, 97743, 200741, 602223, 6222971, 18668913]

約数ペア:

[(1, 18668913), (3, 6222971), (31, 602223), (93, 200741), (191, 97743), (573, 32581), (1051, 17763), (3153, 5921)]