19997090

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 37131264

約数和(自身を除く): 17134174

約数列:

[1, 2, 5, 10, 47, 94, 157, 235, 271, 314, 470, 542, 785, 1355, 1570, 2710, 7379, 12737, 14758, 25474, 36895, 42547, 63685, 73790, 85094, 127370, 212735, 425470, 1999709, 3999418, 9998545, 19997090]

約数ペア:

[(1, 19997090), (2, 9998545), (5, 3999418), (10, 1999709), (47, 425470), (94, 212735), (157, 127370), (235, 85094), (271, 73790), (314, 63685), (470, 42547), (542, 36895), (785, 25474), (1355, 14758), (1570, 12737), (2710, 7379)]