19519894

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2113}}^1$

素因数の和:2295

約数の個数: 16

約数和(自身を含む): 30441600

約数和(自身を除く): 10921706

約数列:

[1, 2, 31, 62, 149, 298, 2113, 4226, 4619, 9238, 65503, 131006, 314837, 629674, 9759947, 19519894]

約数ペア:

[(1, 19519894), (2, 9759947), (31, 629674), (62, 314837), (149, 131006), (298, 65503), (2113, 9238), (4226, 4619)]