19307365

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 30030336

約数和(自身を除く): 10722971

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 97, 121, 235, 329, 385, 485, 517, 605, 679, 847, 1067, 1645, 2585, 3395, 3619, 4235, 4559, 5335, 5687, 7469, 11737, 18095, 22795, 28435, 31913, 37345, 39809, 50149, 58685, 82159, 159565, 199045, 250745, 351043, 410795, 551639, 1755215, 2758195, 3861473, 19307365]

約数ペア:

[(1, 19307365), (5, 3861473), (7, 2758195), (11, 1755215), (35, 551639), (47, 410795), (55, 351043), (77, 250745), (97, 199045), (121, 159565), (235, 82159), (329, 58685), (385, 50149), (485, 39809), (517, 37345), (605, 31913), (679, 28435), (847, 22795), (1067, 18095), (1645, 11737), (2585, 7469), (3395, 5687), (3619, 5335), (4235, 4559)]