19640505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56929}}^1$

素因数の和:56960

約数の個数: 16

約数和(自身を含む): 32791680

約数和(自身を除く): 13151175

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 56929, 170787, 284645, 853935, 1309367, 3928101, 6546835, 19640505]

約数ペア:

[(1, 19640505), (3, 6546835), (5, 3928101), (15, 1309367), (23, 853935), (69, 284645), (115, 170787), (345, 56929)]