19882778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5879}}^1$

素因数の和:5989

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 11869222

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5879, 11758, 111701, 223402, 523231, 1046462, 9941389, 19882778]

約数ペア:

[(1, 19882778), (2, 9941389), (19, 1046462), (38, 523231), (89, 223402), (178, 111701), (1691, 11758), (3382, 5879)]