19559474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 34205760

約数和(自身を除く): 14646286

約数列:

[1, 2, 11, 19, 22, 38, 73, 146, 209, 418, 641, 803, 1282, 1387, 1606, 2774, 7051, 12179, 14102, 15257, 24358, 30514, 46793, 93586, 133969, 267938, 514723, 889067, 1029446, 1778134, 9779737, 19559474]

約数ペア:

[(1, 19559474), (2, 9779737), (11, 1778134), (19, 1029446), (22, 889067), (38, 514723), (73, 267938), (146, 133969), (209, 93586), (418, 46793), (641, 30514), (803, 24358), (1282, 15257), (1387, 14102), (1606, 12179), (2774, 7051)]