19193937

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 31180800

約数和(自身を除く): 11986863

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 811, 1029, 1127, 2433, 3381, 5677, 7889, 17031, 18653, 23667, 39739, 55959, 119217, 130571, 278173, 391713, 834519, 913997, 2741991, 6397979, 19193937]

約数ペア:

[(1, 19193937), (3, 6397979), (7, 2741991), (21, 913997), (23, 834519), (49, 391713), (69, 278173), (147, 130571), (161, 119217), (343, 55959), (483, 39739), (811, 23667), (1029, 18653), (1127, 17031), (2433, 7889), (3381, 5677)]