19897116

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{72091}}^1$

素因数の和:72121

約数の個数: 24

約数和(自身を含む): 48445824

約数和(自身を除く): 28548708

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 72091, 144182, 216273, 288364, 432546, 865092, 1658093, 3316186, 4974279, 6632372, 9948558, 19897116]

約数ペア:

[(1, 19897116), (2, 9948558), (3, 6632372), (4, 4974279), (6, 3316186), (12, 1658093), (23, 865092), (46, 432546), (69, 288364), (92, 216273), (138, 144182), (276, 72091)]