19405606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38351}}^1$

素因数の和:38387

約数の個数: 16

約数和(自身を含む): 33136128

約数和(自身を除く): 13730522

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38351, 76702, 421861, 843722, 882073, 1764146, 9702803, 19405606]

約数ペア:

[(1, 19405606), (2, 9702803), (11, 1764146), (22, 882073), (23, 843722), (46, 421861), (253, 76702), (506, 38351)]