19551632

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71881}}^1$

素因数の和:71906

約数の個数: 20

約数和(自身を含む): 40110156

約数和(自身を除く): 20558524

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71881, 143762, 287524, 575048, 1150096, 1221977, 2443954, 4887908, 9775816, 19551632]

約数ペア:

[(1, 19551632), (2, 9775816), (4, 4887908), (8, 2443954), (16, 1221977), (17, 1150096), (34, 575048), (68, 287524), (136, 143762), (272, 71881)]