2018384665

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 2817489024

約数和(自身を除く): 799104359

約数列:

[1, 5, 11, 23, 55, 73, 115, 121, 253, 365, 605, 803, 1265, 1679, 1987, 2783, 4015, 8395, 8833, 9935, 13915, 18469, 21857, 44165, 45701, 92345, 109285, 145051, 203159, 228505, 240427, 502711, 725255, 1015795, 1202135, 1595561, 2513555, 3336173, 5529821, 7977805, 16680865, 17551171, 27649105, 36697903, 87755855, 183489515, 403676933, 2018384665]

約数ペア:

[(1, 2018384665), (5, 403676933), (11, 183489515), (23, 87755855), (55, 36697903), (73, 27649105), (115, 17551171), (121, 16680865), (253, 7977805), (365, 5529821), (605, 3336173), (803, 2513555), (1265, 1595561), (1679, 1202135), (1987, 1015795), (2783, 725255), (4015, 502711), (8395, 240427), (8833, 228505), (9935, 203159), (13915, 145051), (18469, 109285), (21857, 92345), (44165, 45701)]