18681288

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 29702712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 79, 118, 158, 167, 177, 236, 237, 316, 334, 354, 472, 474, 501, 632, 668, 708, 948, 1002, 1336, 1416, 1896, 2004, 4008, 4661, 9322, 9853, 13193, 13983, 18644, 19706, 26386, 27966, 29559, 37288, 39412, 39579, 52772, 55932, 59118, 78824, 79158, 105544, 111864, 118236, 158316, 236472, 316632, 778387, 1556774, 2335161, 3113548, 4670322, 6227096, 9340644, 18681288]

約数ペア:

[(1, 18681288), (2, 9340644), (3, 6227096), (4, 4670322), (6, 3113548), (8, 2335161), (12, 1556774), (24, 778387), (59, 316632), (79, 236472), (118, 158316), (158, 118236), (167, 111864), (177, 105544), (236, 79158), (237, 78824), (316, 59118), (334, 55932), (354, 52772), (472, 39579), (474, 39412), (501, 37288), (632, 29559), (668, 27966), (708, 26386), (948, 19706), (1002, 18644), (1336, 13983), (1416, 13193), (1896, 9853), (2004, 9322), (4008, 4661)]