18925518

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 20265522

約数列:

[1, 2, 3, 6, 41, 82, 107, 123, 214, 246, 321, 642, 719, 1438, 2157, 4314, 4387, 8774, 13161, 26322, 29479, 58958, 76933, 88437, 153866, 176874, 230799, 461598, 3154253, 6308506, 9462759, 18925518]

約数ペア:

[(1, 18925518), (2, 9462759), (3, 6308506), (6, 3154253), (41, 461598), (82, 230799), (107, 176874), (123, 153866), (214, 88437), (246, 76933), (321, 58958), (642, 29479), (719, 26322), (1438, 13161), (2157, 8774), (4314, 4387)]