18822856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 39822300

約数和(自身を除く): 20999444

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 79, 104, 116, 158, 232, 316, 377, 632, 754, 1027, 1508, 2054, 2291, 3016, 4108, 4582, 6241, 8216, 9164, 12482, 18328, 24964, 29783, 49928, 59566, 81133, 119132, 162266, 180989, 238264, 324532, 361978, 649064, 723956, 1447912, 2352857, 4705714, 9411428, 18822856]

約数ペア:

[(1, 18822856), (2, 9411428), (4, 4705714), (8, 2352857), (13, 1447912), (26, 723956), (29, 649064), (52, 361978), (58, 324532), (79, 238264), (104, 180989), (116, 162266), (158, 119132), (232, 81133), (316, 59566), (377, 49928), (632, 29783), (754, 24964), (1027, 18328), (1508, 12482), (2054, 9164), (2291, 8216), (3016, 6241), (4108, 4582)]