19113808

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1259

約数の個数: 40

約数和(自身を含む): 42632192

約数和(自身を除く): 23518384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1087, 1099, 1256, 2174, 2198, 2512, 4348, 4396, 7609, 8696, 8792, 15218, 17392, 17584, 30436, 60872, 121744, 170659, 341318, 682636, 1194613, 1365272, 2389226, 2730544, 4778452, 9556904, 19113808]

約数ペア:

[(1, 19113808), (2, 9556904), (4, 4778452), (7, 2730544), (8, 2389226), (14, 1365272), (16, 1194613), (28, 682636), (56, 341318), (112, 170659), (157, 121744), (314, 60872), (628, 30436), (1087, 17584), (1099, 17392), (1256, 15218), (2174, 8792), (2198, 8696), (2512, 7609), (4348, 4396)]