18899164

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 33929280

約数和(自身を除く): 15030116

約数列:

[1, 2, 4, 53, 106, 212, 239, 373, 478, 746, 956, 1492, 12667, 19769, 25334, 39538, 50668, 79076, 89147, 178294, 356588, 4724791, 9449582, 18899164]

約数ペア:

[(1, 18899164), (2, 9449582), (4, 4724791), (53, 356588), (106, 178294), (212, 89147), (239, 79076), (373, 50668), (478, 39538), (746, 25334), (956, 19769), (1492, 12667)]