19369688212

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{123289}}^1$

素因数の和:123512

約数の個数: 48

約数和(自身を含む): 40210293760

約数和(自身を除く): 20840605548

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 181, 217, 362, 434, 724, 868, 1267, 2534, 5068, 5611, 11222, 22444, 39277, 78554, 123289, 157108, 246578, 493156, 863023, 1726046, 3452092, 3821959, 7643918, 15287836, 22315309, 26753713, 44630618, 53507426, 89261236, 107014852, 156207163, 312414326, 624828652, 691774579, 1383549158, 2767098316, 4842422053, 9684844106, 19369688212]

約数ペア:

[(1, 19369688212), (2, 9684844106), (4, 4842422053), (7, 2767098316), (14, 1383549158), (28, 691774579), (31, 624828652), (62, 312414326), (124, 156207163), (181, 107014852), (217, 89261236), (362, 53507426), (434, 44630618), (724, 26753713), (868, 22315309), (1267, 15287836), (2534, 7643918), (5068, 3821959), (5611, 3452092), (11222, 1726046), (22444, 863023), (39277, 493156), (78554, 246578), (123289, 157108)]