18893667515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{5197}}^1$

素因数の和:5639

約数の個数: 32

約数和(自身を含む): 23973342336

約数和(自身を除く): 5079674821

約数列:

[1, 5, 23, 101, 115, 313, 505, 1565, 2323, 5197, 7199, 11615, 25985, 31613, 35995, 119531, 158065, 524897, 597655, 727099, 1626661, 2624485, 3635495, 8133305, 12072631, 37413203, 60363155, 164292761, 187066015, 821463805, 3778733503, 18893667515]

約数ペア:

[(1, 18893667515), (5, 3778733503), (23, 821463805), (101, 187066015), (115, 164292761), (313, 60363155), (505, 37413203), (1565, 12072631), (2323, 8133305), (5197, 3635495), (7199, 2624485), (11615, 1626661), (25985, 727099), (31613, 597655), (35995, 524897), (119531, 158065)]