19218910

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 16677410

約数列:

[1, 2, 5, 10, 37, 74, 127, 185, 254, 370, 409, 635, 818, 1270, 2045, 4090, 4699, 9398, 15133, 23495, 30266, 46990, 51943, 75665, 103886, 151330, 259715, 519430, 1921891, 3843782, 9609455, 19218910]

約数ペア:

[(1, 19218910), (2, 9609455), (5, 3843782), (10, 1921891), (37, 519430), (74, 259715), (127, 151330), (185, 103886), (254, 75665), (370, 51943), (409, 46990), (635, 30266), (818, 23495), (1270, 15133), (2045, 9398), (4090, 4699)]