17919705

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 12078375

約数列:

[1, 3, 5, 15, 31, 89, 93, 155, 267, 433, 445, 465, 1299, 1335, 2165, 2759, 6495, 8277, 13423, 13795, 38537, 40269, 41385, 67115, 115611, 192685, 201345, 578055, 1194647, 3583941, 5973235, 17919705]

約数ペア:

[(1, 17919705), (3, 5973235), (5, 3583941), (15, 1194647), (31, 578055), (89, 201345), (93, 192685), (155, 115611), (267, 67115), (433, 41385), (445, 40269), (465, 38537), (1299, 13795), (1335, 13423), (2165, 8277), (2759, 6495)]