18620164

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 33374880

約数和(自身を除く): 14754716

約数列:

[1, 2, 4, 59, 118, 236, 257, 307, 514, 614, 1028, 1228, 15163, 18113, 30326, 36226, 60652, 72452, 78899, 157798, 315596, 4655041, 9310082, 18620164]

約数ペア:

[(1, 18620164), (2, 9310082), (4, 4655041), (59, 315596), (118, 157798), (236, 78899), (257, 72452), (307, 60652), (514, 36226), (614, 30326), (1028, 18113), (1228, 15163)]