18686672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 41783040

約数和(自身を除く): 23096368

約数列:

[1, 2, 4, 8, 16, 17, 23, 29, 34, 46, 58, 68, 92, 103, 116, 136, 184, 206, 232, 272, 368, 391, 412, 464, 493, 667, 782, 824, 986, 1334, 1564, 1648, 1751, 1972, 2369, 2668, 2987, 3128, 3502, 3944, 4738, 5336, 5974, 6256, 7004, 7888, 9476, 10672, 11339, 11948, 14008, 18952, 22678, 23896, 28016, 37904, 40273, 45356, 47792, 50779, 68701, 80546, 90712, 101558, 137402, 161092, 181424, 203116, 274804, 322184, 406232, 549608, 644368, 812464, 1099216, 1167917, 2335834, 4671668, 9343336, 18686672]

約数ペア:

[(1, 18686672), (2, 9343336), (4, 4671668), (8, 2335834), (16, 1167917), (17, 1099216), (23, 812464), (29, 644368), (34, 549608), (46, 406232), (58, 322184), (68, 274804), (92, 203116), (103, 181424), (116, 161092), (136, 137402), (184, 101558), (206, 90712), (232, 80546), (272, 68701), (368, 50779), (391, 47792), (412, 45356), (464, 40273), (493, 37904), (667, 28016), (782, 23896), (824, 22678), (986, 18952), (1334, 14008), (1564, 11948), (1648, 11339), (1751, 10672), (1972, 9476), (2369, 7888), (2668, 7004), (2987, 6256), (3128, 5974), (3502, 5336), (3944, 4738)]