18740535

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 33343488

約数和(自身を除く): 14602953

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2143, 2915, 6429, 8745, 10715, 23573, 32145, 70719, 113579, 117865, 340737, 353595, 567895, 1249369, 1703685, 3748107, 6246845, 18740535]

約数ペア:

[(1, 18740535), (3, 6246845), (5, 3748107), (11, 1703685), (15, 1249369), (33, 567895), (53, 353595), (55, 340737), (159, 117865), (165, 113579), (265, 70719), (583, 32145), (795, 23573), (1749, 10715), (2143, 8745), (2915, 6429)]