16640028

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{821}}^1$

素因数の和:1394

約数の個数: 36

約数和(自身を含む): 42188328

約数和(自身を除く): 25548300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 821, 1126, 1642, 1689, 2252, 2463, 3284, 3378, 4926, 5067, 6756, 7389, 9852, 10134, 14778, 20268, 29556, 462223, 924446, 1386669, 1848892, 2773338, 4160007, 5546676, 8320014, 16640028]

約数ペア:

[(1, 16640028), (2, 8320014), (3, 5546676), (4, 4160007), (6, 2773338), (9, 1848892), (12, 1386669), (18, 924446), (36, 462223), (563, 29556), (821, 20268), (1126, 14778), (1642, 10134), (1689, 9852), (2252, 7389), (2463, 6756), (3284, 5067), (3378, 4926)]