18568705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2736

約数の個数: 16

約数和(自身を含む): 23641344

約数和(自身を除く): 5072639

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2647, 7015, 13235, 60881, 161467, 304405, 807335, 3713741, 18568705]

約数ペア:

[(1, 18568705), (5, 3713741), (23, 807335), (61, 304405), (115, 161467), (305, 60881), (1403, 13235), (2647, 7015)]