17994374

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:727

約数の個数: 16

約数和(自身を含む): 27442800

約数和(自身を除く): 9448426

約数列:

[1, 2, 109, 197, 218, 394, 419, 838, 21473, 42946, 45671, 82543, 91342, 165086, 8997187, 17994374]

約数ペア:

[(1, 17994374), (2, 8997187), (109, 165086), (197, 91342), (218, 82543), (394, 45671), (419, 42946), (838, 21473)]