18449120

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1803

約数の個数: 48

約数和(自身を含む): 44262288

約数和(自身を除く): 25813168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 1721, 2144, 2680, 3442, 5360, 6884, 8605, 10720, 13768, 17210, 27536, 34420, 55072, 68840, 115307, 137680, 230614, 275360, 461228, 576535, 922456, 1153070, 1844912, 2306140, 3689824, 4612280, 9224560, 18449120]

約数ペア:

[(1, 18449120), (2, 9224560), (4, 4612280), (5, 3689824), (8, 2306140), (10, 1844912), (16, 1153070), (20, 922456), (32, 576535), (40, 461228), (67, 275360), (80, 230614), (134, 137680), (160, 115307), (268, 68840), (335, 55072), (536, 34420), (670, 27536), (1072, 17210), (1340, 13768), (1721, 10720), (2144, 8605), (2680, 6884), (3442, 5360)]