18195918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{887}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 39384576

約数和(自身を除く): 21188658

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 887, 1578, 1774, 2661, 3419, 5322, 6838, 10257, 11531, 20514, 23062, 34593, 69186, 233281, 466562, 699843, 1399686, 3032653, 6065306, 9097959, 18195918]

約数ペア:

[(1, 18195918), (2, 9097959), (3, 6065306), (6, 3032653), (13, 1399686), (26, 699843), (39, 466562), (78, 233281), (263, 69186), (526, 34593), (789, 23062), (887, 20514), (1578, 11531), (1774, 10257), (2661, 6838), (3419, 5322)]