19903668

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2269}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 50339520

約数和(自身を除く): 30435852

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2269, 2924, 4386, 4538, 6807, 8772, 9076, 13614, 27228, 38573, 77146, 97567, 115719, 154292, 195134, 231438, 292701, 390268, 462876, 585402, 1170804, 1658639, 3317278, 4975917, 6634556, 9951834, 19903668]

約数ペア:

[(1, 19903668), (2, 9951834), (3, 6634556), (4, 4975917), (6, 3317278), (12, 1658639), (17, 1170804), (34, 585402), (43, 462876), (51, 390268), (68, 292701), (86, 231438), (102, 195134), (129, 154292), (172, 115719), (204, 97567), (258, 77146), (516, 38573), (731, 27228), (1462, 13614), (2193, 9076), (2269, 8772), (2924, 6807), (4386, 4538)]