19678965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2381}}^1$

素因数の和:2437

約数の個数: 32

約数和(自身を含む): 34300800

約数和(自身を除く): 14621835

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2381, 2755, 7143, 8265, 11905, 35715, 45239, 69049, 135717, 207147, 226195, 345245, 678585, 1035735, 1311931, 3935793, 6559655, 19678965]

約数ペア:

[(1, 19678965), (3, 6559655), (5, 3935793), (15, 1311931), (19, 1035735), (29, 678585), (57, 345245), (87, 226195), (95, 207147), (145, 135717), (285, 69049), (435, 45239), (551, 35715), (1653, 11905), (2381, 8265), (2755, 7143)]