18746806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 32225760

約数和(自身を除く): 13478954

約数列:

[1, 2, 13, 19, 26, 38, 137, 247, 274, 277, 494, 554, 1781, 2603, 3562, 3601, 5206, 5263, 7202, 10526, 33839, 37949, 67678, 68419, 75898, 136838, 493337, 721031, 986674, 1442062, 9373403, 18746806]

約数ペア:

[(1, 18746806), (2, 9373403), (13, 1442062), (19, 986674), (26, 721031), (38, 493337), (137, 136838), (247, 75898), (274, 68419), (277, 67678), (494, 37949), (554, 33839), (1781, 10526), (2603, 7202), (3562, 5263), (3601, 5206)]