19157868

素因数分解:

$2^2\times 3^2\times {\mathrm{532163}}^1$

素因数の和:532173

約数の個数: 18

約数和(自身を含む): 48426924

約数和(自身を除く): 29269056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 532163, 1064326, 1596489, 2128652, 3192978, 4789467, 6385956, 9578934, 19157868]

約数ペア:

[(1, 19157868), (2, 9578934), (3, 6385956), (4, 4789467), (6, 3192978), (9, 2128652), (12, 1596489), (18, 1064326), (36, 532163)]