19918552

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 39386880

約数和(自身を除く): 19468328

約数列:

[1, 2, 4, 8, 23, 46, 92, 103, 184, 206, 412, 824, 1051, 2102, 2369, 4204, 4738, 8408, 9476, 18952, 24173, 48346, 96692, 108253, 193384, 216506, 433012, 866024, 2489819, 4979638, 9959276, 19918552]

約数ペア:

[(1, 19918552), (2, 9959276), (4, 4979638), (8, 2489819), (23, 866024), (46, 433012), (92, 216506), (103, 193384), (184, 108253), (206, 96692), (412, 48346), (824, 24173), (1051, 18952), (2102, 9476), (2369, 8408), (4204, 4738)]