19605245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 27492480

約数和(自身を除く): 7887235

約数列:

[1, 5, 11, 19, 55, 73, 95, 209, 257, 365, 803, 1045, 1285, 1387, 2827, 4015, 4883, 6935, 14135, 15257, 18761, 24415, 53713, 76285, 93805, 206371, 268565, 356459, 1031855, 1782295, 3921049, 19605245]

約数ペア:

[(1, 19605245), (5, 3921049), (11, 1782295), (19, 1031855), (55, 356459), (73, 268565), (95, 206371), (209, 93805), (257, 76285), (365, 53713), (803, 24415), (1045, 18761), (1285, 15257), (1387, 14135), (2827, 6935), (4015, 4883)]