19262920

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1429}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 43500600

約数和(自身を除く): 24237680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1429, 1685, 2696, 2858, 3370, 5716, 6740, 7145, 11432, 13480, 14290, 28580, 57160, 481573, 963146, 1926292, 2407865, 3852584, 4815730, 9631460, 19262920]

約数ペア:

[(1, 19262920), (2, 9631460), (4, 4815730), (5, 3852584), (8, 2407865), (10, 1926292), (20, 963146), (40, 481573), (337, 57160), (674, 28580), (1348, 14290), (1429, 13480), (1685, 11432), (2696, 7145), (2858, 6740), (3370, 5716)]