19971612

素因数分解:

$2^2\times 3^2\times {\mathrm{554767}}^1$

素因数の和:554777

約数の個数: 18

約数和(自身を含む): 50483888

約数和(自身を除く): 30512276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554767, 1109534, 1664301, 2219068, 3328602, 4992903, 6657204, 9985806, 19971612]

約数ペア:

[(1, 19971612), (2, 9985806), (3, 6657204), (4, 4992903), (6, 3328602), (9, 2219068), (12, 1664301), (18, 1109534), (36, 554767)]