18657352

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1051}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 40144320

約数和(自身を除く): 21486968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1051, 1268, 2102, 2219, 2536, 4204, 4438, 7357, 8408, 8876, 14714, 17752, 29428, 58856, 333167, 666334, 1332668, 2332169, 2665336, 4664338, 9328676, 18657352]

約数ペア:

[(1, 18657352), (2, 9328676), (4, 4664338), (7, 2665336), (8, 2332169), (14, 1332668), (28, 666334), (56, 333167), (317, 58856), (634, 29428), (1051, 17752), (1268, 14714), (2102, 8876), (2219, 8408), (2536, 7357), (4204, 4438)]