19852865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 24729600

約数和(自身を除く): 4876735

約数列:

[1, 5, 31, 155, 349, 367, 1745, 1835, 10819, 11377, 54095, 56885, 128083, 640415, 3970573, 19852865]

約数ペア:

[(1, 19852865), (5, 3970573), (31, 640415), (155, 128083), (349, 56885), (367, 54095), (1745, 11377), (1835, 10819)]