18515336

素因数分解:

$2^3\times 7^2\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 40783500

約数和(自身を除く): 22268164

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 149, 196, 298, 317, 392, 596, 634, 1043, 1192, 1268, 2086, 2219, 2536, 4172, 4438, 7301, 8344, 8876, 14602, 15533, 17752, 29204, 31066, 47233, 58408, 62132, 94466, 124264, 188932, 330631, 377864, 661262, 1322524, 2314417, 2645048, 4628834, 9257668, 18515336]

約数ペア:

[(1, 18515336), (2, 9257668), (4, 4628834), (7, 2645048), (8, 2314417), (14, 1322524), (28, 661262), (49, 377864), (56, 330631), (98, 188932), (149, 124264), (196, 94466), (298, 62132), (317, 58408), (392, 47233), (596, 31066), (634, 29204), (1043, 17752), (1192, 15533), (1268, 14602), (2086, 8876), (2219, 8344), (2536, 7301), (4172, 4438)]