18215344

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1$

素因数の和:1697

約数の個数: 40

約数和(自身を含む): 40751360

約数和(自身を除く): 22536016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1579, 1648, 2884, 3158, 5768, 6316, 11053, 11536, 12632, 22106, 25264, 44212, 88424, 162637, 176848, 325274, 650548, 1138459, 1301096, 2276918, 2602192, 4553836, 9107672, 18215344]

約数ペア:

[(1, 18215344), (2, 9107672), (4, 4553836), (7, 2602192), (8, 2276918), (14, 1301096), (16, 1138459), (28, 650548), (56, 325274), (103, 176848), (112, 162637), (206, 88424), (412, 44212), (721, 25264), (824, 22106), (1442, 12632), (1579, 11536), (1648, 11053), (2884, 6316), (3158, 5768)]