19914273

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 29719872

約数和(自身を除く): 9805599

約数列:

[1, 3, 9, 53, 83, 159, 249, 477, 503, 747, 1509, 4399, 4527, 13197, 26659, 39591, 41749, 79977, 125247, 239931, 375741, 2212697, 6638091, 19914273]

約数ペア:

[(1, 19914273), (3, 6638091), (9, 2212697), (53, 375741), (83, 239931), (159, 125247), (249, 79977), (477, 41749), (503, 39591), (747, 26659), (1509, 13197), (4399, 4527)]