19212219

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5297}}^1$

素因数の和:5347

約数の個数: 24

約数和(自身を含む): 30855552

約数和(自身を除く): 11643333

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5297, 15891, 47673, 68861, 164207, 206583, 492621, 619749, 1477863, 2134691, 6404073, 19212219]

約数ペア:

[(1, 19212219), (3, 6404073), (9, 2134691), (13, 1477863), (31, 619749), (39, 492621), (93, 206583), (117, 164207), (279, 68861), (403, 47673), (1209, 15891), (3627, 5297)]