19015236

素因数分解:

$2^2\times 3^6\times {\mathrm{6521}}^1$

素因数の和:6543

約数の個数: 42

約数和(自身を含む): 49899822

約数和(自身を除く): 30884586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6521, 13042, 19563, 26084, 39126, 58689, 78252, 117378, 176067, 234756, 352134, 528201, 704268, 1056402, 1584603, 2112804, 3169206, 4753809, 6338412, 9507618, 19015236]

約数ペア:

[(1, 19015236), (2, 9507618), (3, 6338412), (4, 4753809), (6, 3169206), (9, 2112804), (12, 1584603), (18, 1056402), (27, 704268), (36, 528201), (54, 352134), (81, 234756), (108, 176067), (162, 117378), (243, 78252), (324, 58689), (486, 39126), (729, 26084), (972, 19563), (1458, 13042), (2916, 6521)]