19643894

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3137}}^1$

素因数の和:3271

約数の個数: 16

約数和(自身を含む): 30727296

約数和(自身を除く): 11083402

約数列:

[1, 2, 31, 62, 101, 202, 3131, 3137, 6262, 6274, 97247, 194494, 316837, 633674, 9821947, 19643894]

約数ペア:

[(1, 19643894), (2, 9821947), (31, 633674), (62, 316837), (101, 194494), (202, 97247), (3131, 6274), (3137, 6262)]