19418685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 36822912

約数和(自身を除く): 17404227

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 823, 1573, 1815, 2145, 2469, 4115, 4719, 7865, 9053, 10699, 12345, 23595, 27159, 32097, 45265, 53495, 99583, 117689, 135795, 160485, 298749, 353067, 497915, 588445, 1294579, 1493745, 1765335, 3883737, 6472895, 19418685]

約数ペア:

[(1, 19418685), (3, 6472895), (5, 3883737), (11, 1765335), (13, 1493745), (15, 1294579), (33, 588445), (39, 497915), (55, 353067), (65, 298749), (121, 160485), (143, 135795), (165, 117689), (195, 99583), (363, 53495), (429, 45265), (605, 32097), (715, 27159), (823, 23595), (1573, 12345), (1815, 10699), (2145, 9053), (2469, 7865), (4115, 4719)]