19510606

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 24

約数和(自身を含む): 31464504

約数和(自身を除く): 11953898

約数列:

[1, 2, 19, 38, 61, 122, 361, 443, 722, 886, 1159, 2318, 8417, 16834, 22021, 27023, 44042, 54046, 159923, 319846, 513437, 1026874, 9755303, 19510606]

約数ペア:

[(1, 19510606), (2, 9755303), (19, 1026874), (38, 513437), (61, 319846), (122, 159923), (361, 54046), (443, 44042), (722, 27023), (886, 22021), (1159, 16834), (2318, 8417)]