19029507

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 31372800

約数和(自身を除く): 12343293

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1289, 2109, 3867, 4921, 9023, 14763, 24491, 27069, 47693, 73473, 143079, 171437, 333851, 514311, 906167, 1001553, 2718501, 6343169, 19029507]

約数ペア:

[(1, 19029507), (3, 6343169), (7, 2718501), (19, 1001553), (21, 906167), (37, 514311), (57, 333851), (111, 171437), (133, 143079), (259, 73473), (399, 47693), (703, 27069), (777, 24491), (1289, 14763), (2109, 9023), (3867, 4921)]