19278789

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1996

約数の個数: 16

約数和(自身を含む): 26625792

約数和(自身を除く): 7347003

約数列:

[1, 3, 47, 73, 141, 219, 1873, 3431, 5619, 10293, 88031, 136729, 264093, 410187, 6426263, 19278789]

約数ペア:

[(1, 19278789), (3, 6426263), (47, 410187), (73, 264093), (141, 136729), (219, 88031), (1873, 10293), (3431, 5619)]