19528857

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4549}}^1$

素因数の和:4614

約数の個数: 20

約数和(自身を含む): 29729700

約数和(自身を除く): 10200843

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4549, 13647, 40941, 122823, 241097, 368469, 723291, 2169873, 6509619, 19528857]

約数ペア:

[(1, 19528857), (3, 6509619), (9, 2169873), (27, 723291), (53, 368469), (81, 241097), (159, 122823), (477, 40941), (1431, 13647), (4293, 4549)]