19955122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14518478

約数列:

[1, 2, 11, 22, 23, 46, 113, 226, 253, 349, 506, 698, 1243, 2486, 2599, 3839, 5198, 7678, 8027, 16054, 28589, 39437, 57178, 78874, 88297, 176594, 433807, 867614, 907051, 1814102, 9977561, 19955122]

約数ペア:

[(1, 19955122), (2, 9977561), (11, 1814102), (22, 907051), (23, 867614), (46, 433807), (113, 176594), (226, 88297), (253, 78874), (349, 57178), (506, 39437), (698, 28589), (1243, 16054), (2486, 8027), (2599, 7678), (3839, 5198)]