19219340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1283}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 46593792

約数和(自身を除く): 27374452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1283, 1498, 2140, 2566, 2996, 3745, 5132, 6415, 7490, 8981, 12830, 14980, 17962, 25660, 35924, 44905, 89810, 137281, 179620, 274562, 549124, 686405, 960967, 1372810, 1921934, 2745620, 3843868, 4804835, 9609670, 19219340]

約数ペア:

[(1, 19219340), (2, 9609670), (4, 4804835), (5, 3843868), (7, 2745620), (10, 1921934), (14, 1372810), (20, 960967), (28, 686405), (35, 549124), (70, 274562), (107, 179620), (140, 137281), (214, 89810), (428, 44905), (535, 35924), (749, 25660), (1070, 17962), (1283, 14980), (1498, 12830), (2140, 8981), (2566, 7490), (2996, 6415), (3745, 5132)]