19846972

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 35703360

約数和(自身を除く): 15856388

約数列:

[1, 2, 4, 47, 94, 188, 229, 458, 461, 916, 922, 1844, 10763, 21526, 21667, 43052, 43334, 86668, 105569, 211138, 422276, 4961743, 9923486, 19846972]

約数ペア:

[(1, 19846972), (2, 9923486), (4, 4961743), (47, 422276), (94, 211138), (188, 105569), (229, 86668), (458, 43334), (461, 43052), (916, 21667), (922, 21526), (1844, 10763)]