18517168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1085

約数の個数: 40

約数和(自身を含む): 38072960

約数和(自身を除く): 19555792

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1009, 1147, 2018, 2294, 4036, 4588, 8072, 9176, 16144, 18352, 31279, 37333, 62558, 74666, 125116, 149332, 250232, 298664, 500464, 597328, 1157323, 2314646, 4629292, 9258584, 18517168]

約数ペア:

[(1, 18517168), (2, 9258584), (4, 4629292), (8, 2314646), (16, 1157323), (31, 597328), (37, 500464), (62, 298664), (74, 250232), (124, 149332), (148, 125116), (248, 74666), (296, 62558), (496, 37333), (592, 31279), (1009, 18352), (1147, 16144), (2018, 9176), (2294, 8072), (4036, 4588)]