19810372

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17137}}^1$

素因数の和:17175

約数の個数: 18

約数和(自身を含む): 36829562

約数和(自身を除く): 17019190

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17137, 34274, 68548, 291329, 582658, 1165316, 4952593, 9905186, 19810372]

約数ペア:

[(1, 19810372), (2, 9905186), (4, 4952593), (17, 1165316), (34, 582658), (68, 291329), (289, 68548), (578, 34274), (1156, 17137)]