1998918

素因数分解:

$2^1\times 3^7\times {\mathrm{457}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 4506720

約数和(自身を除く): 2507802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 457, 486, 729, 914, 1371, 1458, 2187, 2742, 4113, 4374, 8226, 12339, 24678, 37017, 74034, 111051, 222102, 333153, 666306, 999459, 1998918]

約数ペア:

[(1, 1998918), (2, 999459), (3, 666306), (6, 333153), (9, 222102), (18, 111051), (27, 74034), (54, 37017), (81, 24678), (162, 12339), (243, 8226), (457, 4374), (486, 4113), (729, 2742), (914, 2187), (1371, 1458)]