18213305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 26006400

約数和(自身を除く): 7793095

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 601, 1045, 1595, 2755, 3005, 6061, 6611, 11419, 17429, 30305, 33055, 57095, 87145, 125609, 191719, 331151, 628045, 958595, 1655755, 3642661, 18213305]

約数ペア:

[(1, 18213305), (5, 3642661), (11, 1655755), (19, 958595), (29, 628045), (55, 331151), (95, 191719), (145, 125609), (209, 87145), (319, 57095), (551, 33055), (601, 30305), (1045, 17429), (1595, 11419), (2755, 6611), (3005, 6061)]