20171929918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{381077}}^1$

素因数の和:381304

約数の個数: 32

約数和(自身を含む): 36583488000

約数和(自身を除く): 16411558082

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 1393, 2786, 3781, 7562, 26467, 52934, 381077, 762154, 2667539, 5335078, 7240463, 14480926, 50683241, 75834323, 101366482, 151668646, 530840261, 1061680522, 1440852137, 2881704274, 10085964959, 20171929918]

約数ペア:

[(1, 20171929918), (2, 10085964959), (7, 2881704274), (14, 1440852137), (19, 1061680522), (38, 530840261), (133, 151668646), (199, 101366482), (266, 75834323), (398, 50683241), (1393, 14480926), (2786, 7240463), (3781, 5335078), (7562, 2667539), (26467, 762154), (52934, 381077)]