18947266

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1933}}^1$

素因数の和:1990

約数の個数: 24

約数和(自身を含む): 31852980

約数和(自身を除く): 12905714

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 1933, 3866, 4901, 9802, 25129, 50258, 56057, 112114, 326677, 653354, 728741, 1457482, 9473633, 18947266]

約数ペア:

[(1, 18947266), (2, 9473633), (13, 1457482), (26, 728741), (29, 653354), (58, 326677), (169, 112114), (338, 56057), (377, 50258), (754, 25129), (1933, 9802), (3866, 4901)]