19845748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4831}}^1$

素因数の和:4927

約数の個数: 24

約数和(自身を含む): 37882880

約数和(自身を除く): 18037132

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4831, 9662, 19324, 62803, 125606, 251212, 381649, 763298, 1526596, 4961437, 9922874, 19845748]

約数ペア:

[(1, 19845748), (2, 9922874), (4, 4961437), (13, 1526596), (26, 763298), (52, 381649), (79, 251212), (158, 125606), (316, 62803), (1027, 19324), (2054, 9662), (4108, 4831)]