19914123

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 28607488

約数和(自身を除く): 8693365

約数列:

[1, 3, 17, 51, 103, 223, 289, 309, 669, 867, 1751, 3791, 5253, 11373, 22969, 29767, 64447, 68907, 89301, 193341, 390473, 1171419, 6638041, 19914123]

約数ペア:

[(1, 19914123), (3, 6638041), (17, 1171419), (51, 390473), (103, 193341), (223, 89301), (289, 68907), (309, 64447), (669, 29767), (867, 22969), (1751, 11373), (3791, 5253)]