18990203902

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{317}}^1\times {\mathrm{1997}}^1$

素因数の和:2652

約数の個数: 32

約数和(自身を含む): 29231826912

約数和(自身を除く): 10241623010

約数列:

[1, 2, 53, 106, 283, 317, 566, 634, 1997, 3994, 14999, 16801, 29998, 33602, 89711, 105841, 179422, 211682, 565151, 633049, 1130302, 1266098, 4754683, 9509366, 29953003, 33551597, 59906006, 67103194, 179152867, 358305734, 9495101951, 18990203902]

約数ペア:

[(1, 18990203902), (2, 9495101951), (53, 358305734), (106, 179152867), (283, 67103194), (317, 59906006), (566, 33551597), (634, 29953003), (1997, 9509366), (3994, 4754683), (14999, 1266098), (16801, 1130302), (29998, 633049), (33602, 565151), (89711, 211682), (105841, 179422)]