17815460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68521}}^1$

素因数の和:68543

約数の個数: 24

約数和(自身を含む): 40290936

約数和(自身を除く): 22475476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68521, 137042, 274084, 342605, 685210, 890773, 1370420, 1781546, 3563092, 4453865, 8907730, 17815460]

約数ペア:

[(1, 17815460), (2, 8907730), (4, 4453865), (5, 3563092), (10, 1781546), (13, 1370420), (20, 890773), (26, 685210), (52, 342605), (65, 274084), (130, 137042), (260, 68521)]