19028575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 24966656

約数和(自身を除く): 5938081

約数列:

[1, 5, 25, 31, 43, 155, 215, 571, 775, 1075, 1333, 2855, 6665, 14275, 17701, 24553, 33325, 88505, 122765, 442525, 613825, 761143, 3805715, 19028575]

約数ペア:

[(1, 19028575), (5, 3805715), (25, 761143), (31, 613825), (43, 442525), (155, 122765), (215, 88505), (571, 33325), (775, 24553), (1075, 17701), (1333, 14275), (2855, 6665)]