18640696

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 36097200

約数和(自身を除く): 17456504

約数列:

[1, 2, 4, 8, 59, 73, 118, 146, 236, 292, 472, 541, 584, 1082, 2164, 4307, 4328, 8614, 17228, 31919, 34456, 39493, 63838, 78986, 127676, 157972, 255352, 315944, 2330087, 4660174, 9320348, 18640696]

約数ペア:

[(1, 18640696), (2, 9320348), (4, 4660174), (8, 2330087), (59, 315944), (73, 255352), (118, 157972), (146, 127676), (236, 78986), (292, 63838), (472, 39493), (541, 34456), (584, 31919), (1082, 17228), (2164, 8614), (4307, 4328)]