18013325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 25165056

約数和(自身を除く): 7151731

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2113, 8525, 10565, 23243, 52825, 65503, 116215, 327515, 581075, 720533, 1637575, 3602665, 18013325]

約数ペア:

[(1, 18013325), (5, 3602665), (11, 1637575), (25, 720533), (31, 581075), (55, 327515), (155, 116215), (275, 65503), (341, 52825), (775, 23243), (1705, 10565), (2113, 8525)]