19294928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 38955840

約数和(自身を除く): 19660912

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 439, 536, 656, 878, 1072, 1756, 2747, 3512, 5494, 7024, 10988, 17999, 21976, 29413, 35998, 43952, 58826, 71996, 117652, 143992, 235304, 287984, 470608, 1205933, 2411866, 4823732, 9647464, 19294928]

約数ペア:

[(1, 19294928), (2, 9647464), (4, 4823732), (8, 2411866), (16, 1205933), (41, 470608), (67, 287984), (82, 235304), (134, 143992), (164, 117652), (268, 71996), (328, 58826), (439, 43952), (536, 35998), (656, 29413), (878, 21976), (1072, 17999), (1756, 10988), (2747, 7024), (3512, 5494)]