18129104

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1203

約数の個数: 40

約数和(自身を含む): 40437888

約数和(自身を除く): 22308784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1031, 1099, 1256, 2062, 2198, 2512, 4124, 4396, 7217, 8248, 8792, 14434, 16496, 17584, 28868, 57736, 115472, 161867, 323734, 647468, 1133069, 1294936, 2266138, 2589872, 4532276, 9064552, 18129104]

約数ペア:

[(1, 18129104), (2, 9064552), (4, 4532276), (7, 2589872), (8, 2266138), (14, 1294936), (16, 1133069), (28, 647468), (56, 323734), (112, 161867), (157, 115472), (314, 57736), (628, 28868), (1031, 17584), (1099, 16496), (1256, 14434), (2062, 8792), (2198, 8248), (2512, 7217), (4124, 4396)]