18788302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 32447520

約数和(自身を除く): 13659218

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 521, 949, 1042, 1387, 1898, 2774, 6773, 9899, 13546, 18031, 19798, 36062, 38033, 76066, 128687, 257374, 494429, 722627, 988858, 1445254, 9394151, 18788302]

約数ペア:

[(1, 18788302), (2, 9394151), (13, 1445254), (19, 988858), (26, 722627), (38, 494429), (73, 257374), (146, 128687), (247, 76066), (494, 38033), (521, 36062), (949, 19798), (1042, 18031), (1387, 13546), (1898, 9899), (2774, 6773)]