19541296

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71843}}^1$

素因数の和:71868

約数の個数: 20

約数和(自身を含む): 40088952

約数和(自身を除く): 20547656

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71843, 143686, 287372, 574744, 1149488, 1221331, 2442662, 4885324, 9770648, 19541296]

約数ペア:

[(1, 19541296), (2, 9770648), (4, 4885324), (8, 2442662), (16, 1221331), (17, 1149488), (34, 574744), (68, 287372), (136, 143686), (272, 71843)]