18664140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28279}}^1$

素因数の和:28302

約数の個数: 48

約数和(自身を含む): 57012480

約数和(自身を除く): 38348340

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28279, 56558, 84837, 113116, 141395, 169674, 282790, 311069, 339348, 424185, 565580, 622138, 848370, 933207, 1244276, 1555345, 1696740, 1866414, 3110690, 3732828, 4666035, 6221380, 9332070, 18664140]

約数ペア:

[(1, 18664140), (2, 9332070), (3, 6221380), (4, 4666035), (5, 3732828), (6, 3110690), (10, 1866414), (11, 1696740), (12, 1555345), (15, 1244276), (20, 933207), (22, 848370), (30, 622138), (33, 565580), (44, 424185), (55, 339348), (60, 311069), (66, 282790), (110, 169674), (132, 141395), (165, 113116), (220, 84837), (330, 56558), (660, 28279)]