9979180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26261}}^1$

素因数の和:26289

約数の個数: 24

約数和(自身を含む): 22060080

約数和(自身を除く): 12080900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 26261, 52522, 105044, 131305, 262610, 498959, 525220, 997918, 1995836, 2494795, 4989590, 9979180]

約数ペア:

[(1, 9979180), (2, 4989590), (4, 2494795), (5, 1995836), (10, 997918), (19, 525220), (20, 498959), (38, 262610), (76, 131305), (95, 105044), (190, 52522), (380, 26261)]