19869579

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 9782901

約数列:

[1, 3, 9, 47, 107, 141, 321, 423, 439, 963, 1317, 3951, 5029, 15087, 20633, 45261, 46973, 61899, 140919, 185697, 422757, 2207731, 6623193, 19869579]

約数ペア:

[(1, 19869579), (3, 6623193), (9, 2207731), (47, 422757), (107, 185697), (141, 140919), (321, 61899), (423, 46973), (439, 45261), (963, 20633), (1317, 15087), (3951, 5029)]