19871186

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4057}}^1$

素因数の和:4169

約数の個数: 16

約数和(自身を含む): 31165440

約数和(自身を除く): 11294254

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4057, 4898, 8114, 125767, 251534, 320503, 641006, 9935593, 19871186]

約数ペア:

[(1, 19871186), (2, 9935593), (31, 641006), (62, 320503), (79, 251534), (158, 125767), (2449, 8114), (4057, 4898)]