19425718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18223}}^1$

素因数の和:18279

約数の個数: 16

約数和(自身を含む): 32147136

約数和(自身を除く): 12721418

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 18223, 36446, 236899, 473798, 747143, 1494286, 9712859, 19425718]

約数ペア:

[(1, 19425718), (2, 9712859), (13, 1494286), (26, 747143), (41, 473798), (82, 236899), (533, 36446), (1066, 18223)]