19707984

素因数分解:

$2^4\times 3^2\times {\mathrm{136861}}^1$

素因数の和:136875

約数の個数: 30

約数和(自身を含む): 55155386

約数和(自身を除く): 35447402

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136861, 273722, 410583, 547444, 821166, 1094888, 1231749, 1642332, 2189776, 2463498, 3284664, 4926996, 6569328, 9853992, 19707984]

約数ペア:

[(1, 19707984), (2, 9853992), (3, 6569328), (4, 4926996), (6, 3284664), (8, 2463498), (9, 2189776), (12, 1642332), (16, 1231749), (18, 1094888), (24, 821166), (36, 547444), (48, 410583), (72, 273722), (144, 136861)]