19999710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{24691}}^1$

素因数の和:24710

約数の個数: 40

約数和(自身を含む): 53779176

約数和(自身を除く): 33779466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 24691, 49382, 74073, 123455, 148146, 222219, 246910, 370365, 444438, 666657, 740730, 1111095, 1333314, 1999971, 2222190, 3333285, 3999942, 6666570, 9999855, 19999710]

約数ペア:

[(1, 19999710), (2, 9999855), (3, 6666570), (5, 3999942), (6, 3333285), (9, 2222190), (10, 1999971), (15, 1333314), (18, 1111095), (27, 740730), (30, 666657), (45, 444438), (54, 370365), (81, 246910), (90, 222219), (135, 148146), (162, 123455), (270, 74073), (405, 49382), (810, 24691)]