18908904

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2297}}^1$

素因数の和:2327

約数の個数: 64

約数和(自身を含む): 55152000

約数和(自身を除く): 36243096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2297, 2744, 4116, 4594, 6891, 8232, 9188, 13782, 16079, 18376, 27564, 32158, 48237, 55128, 64316, 96474, 112553, 128632, 192948, 225106, 337659, 385896, 450212, 675318, 787871, 900424, 1350636, 1575742, 2363613, 2701272, 3151484, 4727226, 6302968, 9454452, 18908904]

約数ペア:

[(1, 18908904), (2, 9454452), (3, 6302968), (4, 4727226), (6, 3151484), (7, 2701272), (8, 2363613), (12, 1575742), (14, 1350636), (21, 900424), (24, 787871), (28, 675318), (42, 450212), (49, 385896), (56, 337659), (84, 225106), (98, 192948), (147, 128632), (168, 112553), (196, 96474), (294, 64316), (343, 55128), (392, 48237), (588, 32158), (686, 27564), (1029, 18376), (1176, 16079), (1372, 13782), (2058, 9188), (2297, 8232), (2744, 6891), (4116, 4594)]