18122643

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 35020800

約数和(自身を除く): 16898157

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 161, 189, 207, 231, 253, 297, 379, 483, 621, 693, 759, 1137, 1449, 1771, 2079, 2277, 2653, 3411, 4169, 4347, 5313, 6831, 7959, 8717, 10233, 12507, 15939, 23877, 26151, 29183, 37521, 47817, 61019, 71631, 78453, 87549, 95887, 112563, 183057, 235359, 262647, 287661, 549171, 671209, 787941, 862983, 1647513, 2013627, 2588949, 6040881, 18122643]

約数ペア:

[(1, 18122643), (3, 6040881), (7, 2588949), (9, 2013627), (11, 1647513), (21, 862983), (23, 787941), (27, 671209), (33, 549171), (63, 287661), (69, 262647), (77, 235359), (99, 183057), (161, 112563), (189, 95887), (207, 87549), (231, 78453), (253, 71631), (297, 61019), (379, 47817), (483, 37521), (621, 29183), (693, 26151), (759, 23877), (1137, 15939), (1449, 12507), (1771, 10233), (2079, 8717), (2277, 7959), (2653, 6831), (3411, 5313), (4169, 4347)]