19188376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 38340000

約数和(自身を除く): 19151624

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 709, 796, 1418, 1592, 2836, 3383, 5672, 6766, 12053, 13532, 24106, 27064, 48212, 96424, 141091, 282182, 564364, 1128728, 2398547, 4797094, 9594188, 19188376]

約数ペア:

[(1, 19188376), (2, 9594188), (4, 4797094), (8, 2398547), (17, 1128728), (34, 564364), (68, 282182), (136, 141091), (199, 96424), (398, 48212), (709, 27064), (796, 24106), (1418, 13532), (1592, 12053), (2836, 6766), (3383, 5672)]