18708872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 44620800

約数和(自身を除く): 25911928

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 829, 868, 1612, 1658, 1736, 2821, 3224, 3316, 5642, 5803, 6632, 10777, 11284, 11606, 21554, 22568, 23212, 25699, 43108, 46424, 51398, 75439, 86216, 102796, 150878, 179893, 205592, 301756, 334087, 359786, 603512, 668174, 719572, 1336348, 1439144, 2338609, 2672696, 4677218, 9354436, 18708872]

約数ペア:

[(1, 18708872), (2, 9354436), (4, 4677218), (7, 2672696), (8, 2338609), (13, 1439144), (14, 1336348), (26, 719572), (28, 668174), (31, 603512), (52, 359786), (56, 334087), (62, 301756), (91, 205592), (104, 179893), (124, 150878), (182, 102796), (217, 86216), (248, 75439), (364, 51398), (403, 46424), (434, 43108), (728, 25699), (806, 23212), (829, 22568), (868, 21554), (1612, 11606), (1658, 11284), (1736, 10777), (2821, 6632), (3224, 5803), (3316, 5642)]