18853912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 44605440

約数和(自身を除く): 25751528

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 127, 154, 241, 254, 308, 482, 508, 616, 889, 964, 1016, 1397, 1687, 1778, 1928, 2651, 2794, 3374, 3556, 5302, 5588, 6748, 7112, 9779, 10604, 11176, 13496, 18557, 19558, 21208, 30607, 37114, 39116, 61214, 74228, 78232, 122428, 148456, 214249, 244856, 336677, 428498, 673354, 856996, 1346708, 1713992, 2356739, 2693416, 4713478, 9426956, 18853912]

約数ペア:

[(1, 18853912), (2, 9426956), (4, 4713478), (7, 2693416), (8, 2356739), (11, 1713992), (14, 1346708), (22, 856996), (28, 673354), (44, 428498), (56, 336677), (77, 244856), (88, 214249), (127, 148456), (154, 122428), (241, 78232), (254, 74228), (308, 61214), (482, 39116), (508, 37114), (616, 30607), (889, 21208), (964, 19558), (1016, 18557), (1397, 13496), (1687, 11176), (1778, 10604), (1928, 9779), (2651, 7112), (2794, 6748), (3374, 5588), (3556, 5302)]