19481970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 49061376

約数和(自身を除く): 29579406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 47, 82, 94, 123, 141, 205, 235, 246, 282, 337, 410, 470, 615, 674, 705, 1011, 1230, 1410, 1685, 1927, 2022, 3370, 3854, 5055, 5781, 9635, 10110, 11562, 13817, 15839, 19270, 27634, 28905, 31678, 41451, 47517, 57810, 69085, 79195, 82902, 95034, 138170, 158390, 207255, 237585, 414510, 475170, 649399, 1298798, 1948197, 3246995, 3896394, 6493990, 9740985, 19481970]

約数ペア:

[(1, 19481970), (2, 9740985), (3, 6493990), (5, 3896394), (6, 3246995), (10, 1948197), (15, 1298798), (30, 649399), (41, 475170), (47, 414510), (82, 237585), (94, 207255), (123, 158390), (141, 138170), (205, 95034), (235, 82902), (246, 79195), (282, 69085), (337, 57810), (410, 47517), (470, 41451), (615, 31678), (674, 28905), (705, 27634), (1011, 19270), (1230, 15839), (1410, 13817), (1685, 11562), (1927, 10110), (2022, 9635), (3370, 5781), (3854, 5055)]