19967652

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12899}}^1$

素因数の和:12952

約数の個数: 36

約数和(自身を含む): 51651600

約数和(自身を除く): 31683948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12899, 25798, 38697, 51596, 77394, 116091, 154788, 232182, 464364, 554657, 1109314, 1663971, 2218628, 3327942, 4991913, 6655884, 9983826, 19967652]

約数ペア:

[(1, 19967652), (2, 9983826), (3, 6655884), (4, 4991913), (6, 3327942), (9, 2218628), (12, 1663971), (18, 1109314), (36, 554657), (43, 464364), (86, 232182), (129, 154788), (172, 116091), (258, 77394), (387, 51596), (516, 38697), (774, 25798), (1548, 12899)]