18883475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{599}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 25519200

約数和(自身を除く): 6635725

約数列:

[1, 5, 13, 25, 65, 97, 325, 485, 599, 1261, 2425, 2995, 6305, 7787, 14975, 31525, 38935, 58103, 194675, 290515, 755339, 1452575, 3776695, 18883475]

約数ペア:

[(1, 18883475), (5, 3776695), (13, 1452575), (25, 755339), (65, 290515), (97, 194675), (325, 58103), (485, 38935), (599, 31525), (1261, 14975), (2425, 7787), (2995, 6305)]