18445616

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1049}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 41143200

約数和(自身を除く): 22697584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1049, 1099, 1256, 2098, 2198, 2512, 4196, 4396, 7343, 8392, 8792, 14686, 16784, 17584, 29372, 58744, 117488, 164693, 329386, 658772, 1152851, 1317544, 2305702, 2635088, 4611404, 9222808, 18445616]

約数ペア:

[(1, 18445616), (2, 9222808), (4, 4611404), (7, 2635088), (8, 2305702), (14, 1317544), (16, 1152851), (28, 658772), (56, 329386), (112, 164693), (157, 117488), (314, 58744), (628, 29372), (1049, 17584), (1099, 16784), (1256, 14686), (2098, 8792), (2198, 8392), (2512, 7343), (4196, 4396)]