18914096

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 38688000

約数和(自身を除く): 19773904

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 103, 184, 206, 368, 412, 499, 824, 998, 1648, 1996, 2369, 3992, 4738, 7984, 9476, 11477, 18952, 22954, 37904, 45908, 51397, 91816, 102794, 183632, 205588, 411176, 822352, 1182131, 2364262, 4728524, 9457048, 18914096]

約数ペア:

[(1, 18914096), (2, 9457048), (4, 4728524), (8, 2364262), (16, 1182131), (23, 822352), (46, 411176), (92, 205588), (103, 183632), (184, 102794), (206, 91816), (368, 51397), (412, 45908), (499, 37904), (824, 22954), (998, 18952), (1648, 11477), (1996, 9476), (2369, 7984), (3992, 4738)]