19844205

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 32585376

約数和(自身を除く): 12741171

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 787, 1681, 2361, 3935, 5043, 8405, 11805, 25215, 32267, 96801, 161335, 484005, 1322947, 3968841, 6614735, 19844205]

約数ペア:

[(1, 19844205), (3, 6614735), (5, 3968841), (15, 1322947), (41, 484005), (123, 161335), (205, 96801), (615, 32267), (787, 25215), (1681, 11805), (2361, 8405), (3935, 5043)]