19120155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 32768064

約数和(自身を除く): 13647909

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 773, 1455, 1649, 2319, 3865, 4947, 8245, 11595, 13141, 24735, 39423, 65705, 74981, 197115, 224943, 374905, 1124715, 1274677, 3824031, 6373385, 19120155]

約数ペア:

[(1, 19120155), (3, 6373385), (5, 3824031), (15, 1274677), (17, 1124715), (51, 374905), (85, 224943), (97, 197115), (255, 74981), (291, 65705), (485, 39423), (773, 24735), (1455, 13141), (1649, 11595), (2319, 8245), (3865, 4947)]