20181870421

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{65293}}^1$

素因数の和:65556

約数の個数: 16

約数和(自身を含む): 21437326080

約数和(自身を除く): 1255455659

約数列:

[1, 23, 89, 151, 2047, 3473, 13439, 65293, 309097, 1501739, 5811077, 9859243, 133654771, 226762589, 877472627, 20181870421]

約数ペア:

[(1, 20181870421), (23, 877472627), (89, 226762589), (151, 133654771), (2047, 9859243), (3473, 5811077), (13439, 1501739), (65293, 309097)]