18697448

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 25539352

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 127, 154, 239, 254, 308, 478, 508, 616, 889, 956, 1016, 1397, 1673, 1778, 1912, 2629, 2794, 3346, 3556, 5258, 5588, 6692, 7112, 9779, 10516, 11176, 13384, 18403, 19558, 21032, 30353, 36806, 39116, 60706, 73612, 78232, 121412, 147224, 212471, 242824, 333883, 424942, 667766, 849884, 1335532, 1699768, 2337181, 2671064, 4674362, 9348724, 18697448]

約数ペア:

[(1, 18697448), (2, 9348724), (4, 4674362), (7, 2671064), (8, 2337181), (11, 1699768), (14, 1335532), (22, 849884), (28, 667766), (44, 424942), (56, 333883), (77, 242824), (88, 212471), (127, 147224), (154, 121412), (239, 78232), (254, 73612), (308, 60706), (478, 39116), (508, 36806), (616, 30353), (889, 21032), (956, 19558), (1016, 18403), (1397, 13384), (1673, 11176), (1778, 10516), (1912, 9779), (2629, 7112), (2794, 6692), (3346, 5588), (3556, 5258)]