19093905

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 15500655

約数列:

[1, 3, 5, 9, 15, 41, 45, 79, 123, 131, 205, 237, 369, 393, 395, 615, 655, 711, 1179, 1185, 1845, 1965, 3239, 3555, 5371, 5895, 9717, 10349, 16113, 16195, 26855, 29151, 31047, 48339, 48585, 51745, 80565, 93141, 145755, 155235, 241695, 424309, 465705, 1272927, 2121545, 3818781, 6364635, 19093905]

約数ペア:

[(1, 19093905), (3, 6364635), (5, 3818781), (9, 2121545), (15, 1272927), (41, 465705), (45, 424309), (79, 241695), (123, 155235), (131, 145755), (205, 93141), (237, 80565), (369, 51745), (393, 48585), (395, 48339), (615, 31047), (655, 29151), (711, 26855), (1179, 16195), (1185, 16113), (1845, 10349), (1965, 9717), (3239, 5895), (3555, 5371)]