19781124

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 50627136

約数和(自身を除く): 30846012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 277, 541, 554, 831, 1082, 1108, 1623, 1662, 2164, 3047, 3246, 3324, 5951, 6094, 6492, 9141, 11902, 12188, 17853, 18282, 23804, 35706, 36564, 71412, 149857, 299714, 449571, 599428, 899142, 1648427, 1798284, 3296854, 4945281, 6593708, 9890562, 19781124]

約数ペア:

[(1, 19781124), (2, 9890562), (3, 6593708), (4, 4945281), (6, 3296854), (11, 1798284), (12, 1648427), (22, 899142), (33, 599428), (44, 449571), (66, 299714), (132, 149857), (277, 71412), (541, 36564), (554, 35706), (831, 23804), (1082, 18282), (1108, 17853), (1623, 12188), (1662, 11902), (2164, 9141), (3047, 6492), (3246, 6094), (3324, 5951)]