19238879

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 22880256

約数和(自身を除く): 3641377

約数列:

[1, 11, 23, 31, 121, 223, 253, 341, 713, 2453, 2783, 3751, 5129, 6913, 7843, 26983, 56419, 76043, 86273, 158999, 620609, 836473, 1748989, 19238879]

約数ペア:

[(1, 19238879), (11, 1748989), (23, 836473), (31, 620609), (121, 158999), (223, 86273), (253, 76043), (341, 56419), (713, 26983), (2453, 7843), (2783, 6913), (3751, 5129)]