18152541

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 29323840

約数和(自身を除く): 11171299

約数列:

[1, 3, 9, 11, 33, 79, 99, 121, 211, 237, 363, 633, 711, 869, 1089, 1899, 2321, 2607, 6963, 7821, 9559, 16669, 20889, 25531, 28677, 50007, 76593, 86031, 150021, 183359, 229779, 550077, 1650231, 2016949, 6050847, 18152541]

約数ペア:

[(1, 18152541), (3, 6050847), (9, 2016949), (11, 1650231), (33, 550077), (79, 229779), (99, 183359), (121, 150021), (211, 86031), (237, 76593), (363, 50007), (633, 28677), (711, 25531), (869, 20889), (1089, 16669), (1899, 9559), (2321, 7821), (2607, 6963)]