18408967

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 20049120

約数和(自身を除く): 1640153

約数列:

[1, 19, 53, 101, 181, 1007, 1919, 3439, 5353, 9593, 18281, 101707, 182267, 347339, 968893, 18408967]

約数ペア:

[(1, 18408967), (19, 968893), (53, 347339), (101, 182267), (181, 101707), (1007, 18281), (1919, 9593), (3439, 5353)]