11991996

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{3001}}^1$

素因数の和:3051

約数の個数: 48

約数和(自身を含む): 31941280

約数和(自身を除く): 19949284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3001, 3996, 6002, 9003, 12004, 18006, 27009, 36012, 54018, 81027, 108036, 111037, 162054, 222074, 324108, 333111, 444148, 666222, 999333, 1332444, 1998666, 2997999, 3997332, 5995998, 11991996]

約数ペア:

[(1, 11991996), (2, 5995998), (3, 3997332), (4, 2997999), (6, 1998666), (9, 1332444), (12, 999333), (18, 666222), (27, 444148), (36, 333111), (37, 324108), (54, 222074), (74, 162054), (108, 111037), (111, 108036), (148, 81027), (222, 54018), (333, 36012), (444, 27009), (666, 18006), (999, 12004), (1332, 9003), (1998, 6002), (3001, 3996)]