19093887

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 30677856

約数和(自身を除く): 11583969

約数列:

[1, 3, 9, 23, 27, 37, 69, 81, 111, 207, 277, 333, 621, 831, 851, 999, 1863, 2493, 2553, 2997, 6371, 7479, 7659, 10249, 19113, 22437, 22977, 30747, 57339, 68931, 92241, 172017, 235727, 276723, 516051, 707181, 830169, 2121543, 6364629, 19093887]

約数ペア:

[(1, 19093887), (3, 6364629), (9, 2121543), (23, 830169), (27, 707181), (37, 516051), (69, 276723), (81, 235727), (111, 172017), (207, 92241), (277, 68931), (333, 57339), (621, 30747), (831, 22977), (851, 22437), (999, 19113), (1863, 10249), (2493, 7659), (2553, 7479), (2997, 6371)]