18787734

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 49812480

約数和(自身を除く): 31024746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2161, 2898, 4322, 4347, 6483, 8694, 12966, 15127, 19449, 30254, 38898, 45381, 49703, 58347, 90762, 99406, 116694, 136143, 149109, 272286, 298218, 347921, 408429, 447327, 695842, 816858, 894654, 1043763, 1341981, 2087526, 2683962, 3131289, 6262578, 9393867, 18787734]

約数ペア:

[(1, 18787734), (2, 9393867), (3, 6262578), (6, 3131289), (7, 2683962), (9, 2087526), (14, 1341981), (18, 1043763), (21, 894654), (23, 816858), (27, 695842), (42, 447327), (46, 408429), (54, 347921), (63, 298218), (69, 272286), (126, 149109), (138, 136143), (161, 116694), (189, 99406), (207, 90762), (322, 58347), (378, 49703), (414, 45381), (483, 38898), (621, 30254), (966, 19449), (1242, 15127), (1449, 12966), (2161, 8694), (2898, 6483), (4322, 4347)]