18950883

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13469}}^1$

素因数の和:13546

約数の個数: 16

約数和(自身を含む): 29310720

約数和(自身を除く): 10359837

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 13469, 40407, 94283, 282849, 902423, 2707269, 6316961, 18950883]

約数ペア:

[(1, 18950883), (3, 6316961), (7, 2707269), (21, 902423), (67, 282849), (201, 94283), (469, 40407), (1407, 13469)]