19304390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1307}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 39930624

約数和(自身を除く): 20626234

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1307, 1477, 2110, 2614, 2954, 6535, 7385, 9149, 13070, 14770, 18298, 45745, 91490, 275777, 551554, 1378885, 1930439, 2757770, 3860878, 9652195, 19304390]

約数ペア:

[(1, 19304390), (2, 9652195), (5, 3860878), (7, 2757770), (10, 1930439), (14, 1378885), (35, 551554), (70, 275777), (211, 91490), (422, 45745), (1055, 18298), (1307, 14770), (1477, 13070), (2110, 9149), (2614, 7385), (2954, 6535)]