18868905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38119}}^1$

素因数の和:38141

約数の個数: 24

約数和(自身を含む): 35680320

約数和(自身を除く): 16811415

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 38119, 114357, 190595, 343071, 419309, 571785, 1257927, 1715355, 2096545, 3773781, 6289635, 18868905]

約数ペア:

[(1, 18868905), (3, 6289635), (5, 3773781), (9, 2096545), (11, 1715355), (15, 1257927), (33, 571785), (45, 419309), (55, 343071), (99, 190595), (165, 114357), (495, 38119)]