19555730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 36633600

約数和(自身を除く): 17077870

約数列:

[1, 2, 5, 10, 31, 62, 155, 199, 310, 317, 398, 634, 995, 1585, 1990, 3170, 6169, 9827, 12338, 19654, 30845, 49135, 61690, 63083, 98270, 126166, 315415, 630830, 1955573, 3911146, 9777865, 19555730]

約数ペア:

[(1, 19555730), (2, 9777865), (5, 3911146), (10, 1955573), (31, 630830), (62, 315415), (155, 126166), (199, 98270), (310, 63083), (317, 61690), (398, 49135), (634, 30845), (995, 19654), (1585, 12338), (1990, 9827), (3170, 6169)]