18731320

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7937}}^1$

素因数の和:8007

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 24133880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7937, 15874, 31748, 39685, 63496, 79370, 158740, 317480, 468283, 936566, 1873132, 2341415, 3746264, 4682830, 9365660, 18731320]

約数ペア:

[(1, 18731320), (2, 9365660), (4, 4682830), (5, 3746264), (8, 2341415), (10, 1873132), (20, 936566), (40, 468283), (59, 317480), (118, 158740), (236, 79370), (295, 63496), (472, 39685), (590, 31748), (1180, 15874), (2360, 7937)]