18169264

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 37185120

約数和(自身を除く): 19015856

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 97, 184, 194, 368, 388, 509, 776, 1018, 1552, 2036, 2231, 4072, 4462, 8144, 8924, 11707, 17848, 23414, 35696, 46828, 49373, 93656, 98746, 187312, 197492, 394984, 789968, 1135579, 2271158, 4542316, 9084632, 18169264]

約数ペア:

[(1, 18169264), (2, 9084632), (4, 4542316), (8, 2271158), (16, 1135579), (23, 789968), (46, 394984), (92, 197492), (97, 187312), (184, 98746), (194, 93656), (368, 49373), (388, 46828), (509, 35696), (776, 23414), (1018, 17848), (1552, 11707), (2036, 8924), (2231, 8144), (4072, 4462)]