19737243

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 31372800

約数和(自身を除く): 11635557

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 859, 999, 2553, 2577, 7659, 7731, 19757, 22977, 23193, 31783, 59271, 95349, 177813, 286047, 533439, 731009, 858141, 2193027, 6579081, 19737243]

約数ペア:

[(1, 19737243), (3, 6579081), (9, 2193027), (23, 858141), (27, 731009), (37, 533439), (69, 286047), (111, 177813), (207, 95349), (333, 59271), (621, 31783), (851, 23193), (859, 22977), (999, 19757), (2553, 7731), (2577, 7659)]