19323855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 16450065

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 97, 171, 233, 285, 291, 485, 699, 855, 873, 1165, 1455, 1843, 2097, 3495, 4365, 4427, 5529, 9215, 10485, 13281, 16587, 22135, 22601, 27645, 39843, 66405, 67803, 82935, 113005, 199215, 203409, 339015, 429419, 1017045, 1288257, 2147095, 3864771, 6441285, 19323855]

約数ペア:

[(1, 19323855), (3, 6441285), (5, 3864771), (9, 2147095), (15, 1288257), (19, 1017045), (45, 429419), (57, 339015), (95, 203409), (97, 199215), (171, 113005), (233, 82935), (285, 67803), (291, 66405), (485, 39843), (699, 27645), (855, 22601), (873, 22135), (1165, 16587), (1455, 13281), (1843, 10485), (2097, 9215), (3495, 5529), (4365, 4427)]