18477968

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{2909}}^1$

素因数の和:3314

約数の個数: 20

約数和(自身を含む): 35903580

約数和(自身を除く): 17425612

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 2909, 3176, 5818, 6352, 11636, 23272, 46544, 1154873, 2309746, 4619492, 9238984, 18477968]

約数ペア:

[(1, 18477968), (2, 9238984), (4, 4619492), (8, 2309746), (16, 1154873), (397, 46544), (794, 23272), (1588, 11636), (2909, 6352), (3176, 5818)]