15399918

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 36101520

約数和(自身を除く): 20701602

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1217, 1406, 2109, 2434, 3651, 4218, 6327, 7302, 10953, 12654, 21906, 23123, 45029, 46246, 69369, 90058, 135087, 138738, 208107, 270174, 405261, 416214, 810522, 855551, 1711102, 2566653, 5133306, 7699959, 15399918]

約数ペア:

[(1, 15399918), (2, 7699959), (3, 5133306), (6, 2566653), (9, 1711102), (18, 855551), (19, 810522), (37, 416214), (38, 405261), (57, 270174), (74, 208107), (111, 138738), (114, 135087), (171, 90058), (222, 69369), (333, 46246), (342, 45029), (666, 23123), (703, 21906), (1217, 12654), (1406, 10953), (2109, 7302), (2434, 6327), (3651, 4218)]