19692550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1091}}^1$

素因数の和:1141

約数の個数: 36

約数和(自身を含む): 38692836

約数和(自身を除く): 19000286

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1091, 1805, 2182, 3610, 5455, 9025, 10910, 18050, 20729, 27275, 41458, 54550, 103645, 207290, 393851, 518225, 787702, 1036450, 1969255, 3938510, 9846275, 19692550]

約数ペア:

[(1, 19692550), (2, 9846275), (5, 3938510), (10, 1969255), (19, 1036450), (25, 787702), (38, 518225), (50, 393851), (95, 207290), (190, 103645), (361, 54550), (475, 41458), (722, 27275), (950, 20729), (1091, 18050), (1805, 10910), (2182, 9025), (3610, 5455)]