19002561820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3755447}}^1$

素因数の和:3755490

約数の個数: 48

約数和(自身を含む): 45425899008

約数和(自身を除く): 26423337188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 3755447, 7510894, 15021788, 18777235, 37554470, 41309917, 75108940, 82619834, 86375281, 165239668, 172750562, 206549585, 345501124, 413099170, 431876405, 826198340, 863752810, 950128091, 1727505620, 1900256182, 3800512364, 4750640455, 9501280910, 19002561820]

約数ペア:

[(1, 19002561820), (2, 9501280910), (4, 4750640455), (5, 3800512364), (10, 1900256182), (11, 1727505620), (20, 950128091), (22, 863752810), (23, 826198340), (44, 431876405), (46, 413099170), (55, 345501124), (92, 206549585), (110, 172750562), (115, 165239668), (220, 86375281), (230, 82619834), (253, 75108940), (460, 41309917), (506, 37554470), (1012, 18777235), (1265, 15021788), (2530, 7510894), (5060, 3755447)]