18402755

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 27029376

約数和(自身を除く): 8626621

約数列:

[1, 5, 7, 17, 35, 85, 119, 157, 197, 595, 785, 985, 1099, 1379, 2669, 3349, 5495, 6895, 13345, 16745, 18683, 23443, 30929, 93415, 117215, 154645, 216503, 525793, 1082515, 2628965, 3680551, 18402755]

約数ペア:

[(1, 18402755), (5, 3680551), (7, 2628965), (17, 1082515), (35, 525793), (85, 216503), (119, 154645), (157, 117215), (197, 93415), (595, 30929), (785, 23443), (985, 18683), (1099, 16745), (1379, 13345), (2669, 6895), (3349, 5495)]