18128668

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{353}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 32769072

約数和(自身を除く): 14640404

約数列:

[1, 2, 4, 37, 74, 148, 347, 353, 694, 706, 1388, 1412, 12839, 13061, 25678, 26122, 51356, 52244, 122491, 244982, 489964, 4532167, 9064334, 18128668]

約数ペア:

[(1, 18128668), (2, 9064334), (4, 4532167), (37, 489964), (74, 244982), (148, 122491), (347, 52244), (353, 51356), (694, 26122), (706, 25678), (1388, 13061), (1412, 12839)]