18178576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 41341104

約数和(自身を除く): 23162528

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 53, 68, 97, 104, 106, 136, 194, 208, 212, 221, 272, 388, 424, 442, 689, 776, 848, 884, 901, 1261, 1378, 1552, 1649, 1768, 1802, 2522, 2756, 3298, 3536, 3604, 5044, 5141, 5512, 6596, 7208, 10088, 10282, 11024, 11713, 13192, 14416, 20176, 20564, 21437, 23426, 26384, 41128, 42874, 46852, 66833, 82256, 85748, 87397, 93704, 133666, 171496, 174794, 187408, 267332, 342992, 349588, 534664, 699176, 1069328, 1136161, 1398352, 2272322, 4544644, 9089288, 18178576]

約数ペア:

[(1, 18178576), (2, 9089288), (4, 4544644), (8, 2272322), (13, 1398352), (16, 1136161), (17, 1069328), (26, 699176), (34, 534664), (52, 349588), (53, 342992), (68, 267332), (97, 187408), (104, 174794), (106, 171496), (136, 133666), (194, 93704), (208, 87397), (212, 85748), (221, 82256), (272, 66833), (388, 46852), (424, 42874), (442, 41128), (689, 26384), (776, 23426), (848, 21437), (884, 20564), (901, 20176), (1261, 14416), (1378, 13192), (1552, 11713), (1649, 11024), (1768, 10282), (1802, 10088), (2522, 7208), (2756, 6596), (3298, 5512), (3536, 5141), (3604, 5044)]