19109559

素因数分解:

$3^1\times 7^5\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 29804160

約数和(自身を除く): 10694601

約数列:

[1, 3, 7, 21, 49, 147, 343, 379, 1029, 1137, 2401, 2653, 7203, 7959, 16807, 18571, 50421, 55713, 129997, 389991, 909979, 2729937, 6369853, 19109559]

約数ペア:

[(1, 19109559), (3, 6369853), (7, 2729937), (21, 909979), (49, 389991), (147, 129997), (343, 55713), (379, 50421), (1029, 18571), (1137, 16807), (2401, 7959), (2653, 7203)]