19645772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11239}}^1$

素因数の和:11285

約数の個数: 24

約数和(自身を含む): 37766400

約数和(自身を除く): 18120628

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11239, 22478, 44956, 213541, 258497, 427082, 516994, 854164, 1033988, 4911443, 9822886, 19645772]

約数ペア:

[(1, 19645772), (2, 9822886), (4, 4911443), (19, 1033988), (23, 854164), (38, 516994), (46, 427082), (76, 258497), (92, 213541), (437, 44956), (874, 22478), (1748, 11239)]