18143504

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1127

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19354096

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1049, 1081, 2098, 2162, 4196, 4324, 8392, 8648, 16784, 17296, 24127, 48254, 49303, 96508, 98606, 193016, 197212, 386032, 394424, 788848, 1133969, 2267938, 4535876, 9071752, 18143504]

約数ペア:

[(1, 18143504), (2, 9071752), (4, 4535876), (8, 2267938), (16, 1133969), (23, 788848), (46, 394424), (47, 386032), (92, 197212), (94, 193016), (184, 98606), (188, 96508), (368, 49303), (376, 48254), (752, 24127), (1049, 17296), (1081, 16784), (2098, 8648), (2162, 8392), (4196, 4324)]