19538172

素因数分解:

$2^2\times 3^5\times {\mathrm{20101}}^1$

素因数の和:20120

約数の個数: 36

約数和(自身を含む): 51219896

約数和(自身を除く): 31681724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20101, 40202, 60303, 80404, 120606, 180909, 241212, 361818, 542727, 723636, 1085454, 1628181, 2170908, 3256362, 4884543, 6512724, 9769086, 19538172]

約数ペア:

[(1, 19538172), (2, 9769086), (3, 6512724), (4, 4884543), (6, 3256362), (9, 2170908), (12, 1628181), (18, 1085454), (27, 723636), (36, 542727), (54, 361818), (81, 241212), (108, 180909), (162, 120606), (243, 80404), (324, 60303), (486, 40202), (972, 20101)]