18270270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4777

約数の個数: 48

約数和(自身を含む): 48617712

約数和(自身を除く): 30347442

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4721, 9442, 14163, 23605, 28326, 42489, 47210, 70815, 84978, 141630, 203003, 212445, 406006, 424890, 609009, 1015015, 1218018, 1827027, 2030030, 3045045, 3654054, 6090090, 9135135, 18270270]

約数ペア:

[(1, 18270270), (2, 9135135), (3, 6090090), (5, 3654054), (6, 3045045), (9, 2030030), (10, 1827027), (15, 1218018), (18, 1015015), (30, 609009), (43, 424890), (45, 406006), (86, 212445), (90, 203003), (129, 141630), (215, 84978), (258, 70815), (387, 47210), (430, 42489), (645, 28326), (774, 23605), (1290, 14163), (1935, 9442), (3870, 4721)]