199873818

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{17881}}^1$

素因数の和:17921

約数の個数: 48

約数和(自身を含む): 468651456

約数和(自身を除く): 268777638

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1863, 3726, 5589, 11178, 17881, 35762, 53643, 107286, 160929, 321858, 411263, 482787, 822526, 965574, 1233789, 1448361, 2467578, 2896722, 3701367, 4345083, 7402734, 8690166, 11104101, 22208202, 33312303, 66624606, 99936909, 199873818]

約数ペア:

[(1, 199873818), (2, 99936909), (3, 66624606), (6, 33312303), (9, 22208202), (18, 11104101), (23, 8690166), (27, 7402734), (46, 4345083), (54, 3701367), (69, 2896722), (81, 2467578), (138, 1448361), (162, 1233789), (207, 965574), (243, 822526), (414, 482787), (486, 411263), (621, 321858), (1242, 160929), (1863, 107286), (3726, 53643), (5589, 35762), (11178, 17881)]