19810098201610

素因数分解:

$2^1\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{1649466961}}^1$

素因数の和:1649468169

約数の個数: 16

約数和(自身を含む): 35687867189832

約数和(自身を除く): 15877768988222

約数列:

[1, 2, 5, 10, 1201, 2402, 6005, 12010, 1649466961, 3298933922, 8247334805, 16494669610, 1981009820161, 3962019640322, 9905049100805, 19810098201610]

約数ペア:

[(1, 19810098201610), (2, 9905049100805), (5, 3962019640322), (10, 1981009820161), (1201, 16494669610), (2402, 8247334805), (6005, 3298933922), (12010, 1649466961)]