20198507954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{204517}}^1$

素因数の和:204674

約数の個数: 32

約数和(自身を含む): 33573674880

約数和(自身を除く): 13375166926

約数列:

[1, 2, 19, 23, 38, 46, 113, 226, 437, 874, 2147, 2599, 4294, 5198, 49381, 98762, 204517, 409034, 3885823, 4703891, 7771646, 9407782, 23110421, 46220842, 89373929, 178747858, 439097999, 531539683, 878195998, 1063079366, 10099253977, 20198507954]

約数ペア:

[(1, 20198507954), (2, 10099253977), (19, 1063079366), (23, 878195998), (38, 531539683), (46, 439097999), (113, 178747858), (226, 89373929), (437, 46220842), (874, 23110421), (2147, 9407782), (2599, 7771646), (4294, 4703891), (5198, 3885823), (49381, 409034), (98762, 204517)]