18882640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4817}}^1$

素因数の和:4844

約数の個数: 60

約数和(自身を含む): 51080436

約数和(自身を除く): 32197796

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4817, 9634, 19268, 24085, 33719, 38536, 48170, 67438, 77072, 96340, 134876, 168595, 192680, 236033, 269752, 337190, 385360, 472066, 539504, 674380, 944132, 1180165, 1348760, 1888264, 2360330, 2697520, 3776528, 4720660, 9441320, 18882640]

約数ペア:

[(1, 18882640), (2, 9441320), (4, 4720660), (5, 3776528), (7, 2697520), (8, 2360330), (10, 1888264), (14, 1348760), (16, 1180165), (20, 944132), (28, 674380), (35, 539504), (40, 472066), (49, 385360), (56, 337190), (70, 269752), (80, 236033), (98, 192680), (112, 168595), (140, 134876), (196, 96340), (245, 77072), (280, 67438), (392, 48170), (490, 38536), (560, 33719), (784, 24085), (980, 19268), (1960, 9634), (3920, 4817)]