18933190

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 35108640

約数和(自身を除く): 16175450

約数列:

[1, 2, 5, 10, 53, 106, 139, 257, 265, 278, 514, 530, 695, 1285, 1390, 2570, 7367, 13621, 14734, 27242, 35723, 36835, 68105, 71446, 73670, 136210, 178615, 357230, 1893319, 3786638, 9466595, 18933190]

約数ペア:

[(1, 18933190), (2, 9466595), (5, 3786638), (10, 1893319), (53, 357230), (106, 178615), (139, 136210), (257, 73670), (265, 71446), (278, 68105), (514, 36835), (530, 35723), (695, 27242), (1285, 14734), (1390, 13621), (2570, 7367)]