19191123

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8233}}^1$

素因数の和:8283

約数の個数: 24

約数和(自身を含む): 32540768

約数和(自身を除く): 13349645

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8233, 24699, 57631, 74097, 172893, 304621, 518679, 913863, 2132347, 2741589, 6397041, 19191123]

約数ペア:

[(1, 19191123), (3, 6397041), (7, 2741589), (9, 2132347), (21, 913863), (37, 518679), (63, 304621), (111, 172893), (259, 74097), (333, 57631), (777, 24699), (2331, 8233)]