19700784

素因数分解:

$2^4\times 3^2\times {\mathrm{136811}}^1$

素因数の和:136825

約数の個数: 30

約数和(自身を含む): 55135236

約数和(自身を除く): 35434452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136811, 273622, 410433, 547244, 820866, 1094488, 1231299, 1641732, 2188976, 2462598, 3283464, 4925196, 6566928, 9850392, 19700784]

約数ペア:

[(1, 19700784), (2, 9850392), (3, 6566928), (4, 4925196), (6, 3283464), (8, 2462598), (9, 2188976), (12, 1641732), (16, 1231299), (18, 1094488), (24, 820866), (36, 547244), (48, 410433), (72, 273622), (144, 136811)]