18883921045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2503}}^1\times {\mathrm{8069}}^1$

素因数の和:10605

約数の個数: 32

約数和(自身を含む): 26188634880

約数和(自身を除く): 7304713835

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 2503, 8069, 12515, 27533, 40345, 42551, 88759, 137173, 137665, 212755, 443795, 468061, 685865, 1508903, 2340305, 7544515, 20196707, 100983535, 222163777, 343344019, 1110818885, 1716720095, 3776784209, 18883921045]

約数ペア:

[(1, 18883921045), (5, 3776784209), (11, 1716720095), (17, 1110818885), (55, 343344019), (85, 222163777), (187, 100983535), (935, 20196707), (2503, 7544515), (8069, 2340305), (12515, 1508903), (27533, 685865), (40345, 468061), (42551, 443795), (88759, 212755), (137173, 137665)]