18581493

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 32735232

約数和(自身を除く): 14153739

約数列:

[1, 3, 7, 17, 21, 23, 31, 51, 69, 73, 93, 119, 161, 217, 219, 357, 391, 483, 511, 527, 651, 713, 1173, 1241, 1533, 1581, 1679, 2139, 2263, 2737, 3689, 3723, 4991, 5037, 6789, 8211, 8687, 11067, 11753, 12121, 14973, 15841, 26061, 28543, 35259, 36363, 38471, 47523, 52049, 84847, 85629, 115413, 156147, 199801, 254541, 269297, 364343, 599403, 807891, 884833, 1093029, 2654499, 6193831, 18581493]

約数ペア:

[(1, 18581493), (3, 6193831), (7, 2654499), (17, 1093029), (21, 884833), (23, 807891), (31, 599403), (51, 364343), (69, 269297), (73, 254541), (93, 199801), (119, 156147), (161, 115413), (217, 85629), (219, 84847), (357, 52049), (391, 47523), (483, 38471), (511, 36363), (527, 35259), (651, 28543), (713, 26061), (1173, 15841), (1241, 14973), (1533, 12121), (1581, 11753), (1679, 11067), (2139, 8687), (2263, 8211), (2737, 6789), (3689, 5037), (3723, 4991)]