18214668

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 48484800

約数和(自身を除く): 30270132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 73, 87, 116, 146, 174, 219, 239, 261, 292, 348, 438, 478, 522, 657, 717, 876, 956, 1044, 1314, 1434, 2117, 2151, 2628, 2868, 4234, 4302, 6351, 6931, 8468, 8604, 12702, 13862, 17447, 19053, 20793, 25404, 27724, 34894, 38106, 41586, 52341, 62379, 69788, 76212, 83172, 104682, 124758, 157023, 209364, 249516, 314046, 505963, 628092, 1011926, 1517889, 2023852, 3035778, 4553667, 6071556, 9107334, 18214668]

約数ペア:

[(1, 18214668), (2, 9107334), (3, 6071556), (4, 4553667), (6, 3035778), (9, 2023852), (12, 1517889), (18, 1011926), (29, 628092), (36, 505963), (58, 314046), (73, 249516), (87, 209364), (116, 157023), (146, 124758), (174, 104682), (219, 83172), (239, 76212), (261, 69788), (292, 62379), (348, 52341), (438, 41586), (478, 38106), (522, 34894), (657, 27724), (717, 25404), (876, 20793), (956, 19053), (1044, 17447), (1314, 13862), (1434, 12702), (2117, 8604), (2151, 8468), (2628, 6931), (2868, 6351), (4234, 4302)]