18814719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 31703040

約数和(自身を除く): 12888321

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1031, 1659, 2607, 3093, 6083, 7217, 11341, 18249, 21651, 34023, 79387, 81449, 238161, 244347, 570143, 895939, 1710429, 2687817, 6271573, 18814719]

約数ペア:

[(1, 18814719), (3, 6271573), (7, 2687817), (11, 1710429), (21, 895939), (33, 570143), (77, 244347), (79, 238161), (231, 81449), (237, 79387), (553, 34023), (869, 21651), (1031, 18249), (1659, 11341), (2607, 7217), (3093, 6083)]