19843812

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4273}}^1$

素因数の和:4329

約数の個数: 48

約数和(自身を含む): 52655680

約数和(自身を除く): 32811868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4273, 4644, 8546, 12819, 17092, 25638, 38457, 51276, 76914, 115371, 153828, 183739, 230742, 367478, 461484, 551217, 734956, 1102434, 1653651, 2204868, 3307302, 4960953, 6614604, 9921906, 19843812]

約数ペア:

[(1, 19843812), (2, 9921906), (3, 6614604), (4, 4960953), (6, 3307302), (9, 2204868), (12, 1653651), (18, 1102434), (27, 734956), (36, 551217), (43, 461484), (54, 367478), (86, 230742), (108, 183739), (129, 153828), (172, 115371), (258, 76914), (387, 51276), (516, 38457), (774, 25638), (1161, 17092), (1548, 12819), (2322, 8546), (4273, 4644)]