19642780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11833}}^1$

素因数の和:11925

約数の個数: 24

約数和(自身を含む): 41750352

約数和(自身を除く): 22107572

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11833, 23666, 47332, 59165, 118330, 236660, 982139, 1964278, 3928556, 4910695, 9821390, 19642780]

約数ペア:

[(1, 19642780), (2, 9821390), (4, 4910695), (5, 3928556), (10, 1964278), (20, 982139), (83, 236660), (166, 118330), (332, 59165), (415, 47332), (830, 23666), (1660, 11833)]