18078704

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 42663936

約数和(自身を除く): 24585232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 41, 56, 62, 82, 112, 124, 127, 164, 217, 248, 254, 287, 328, 434, 496, 508, 574, 656, 868, 889, 1016, 1148, 1271, 1736, 1778, 2032, 2296, 2542, 3472, 3556, 3937, 4592, 5084, 5207, 7112, 7874, 8897, 10168, 10414, 14224, 15748, 17794, 20336, 20828, 27559, 31496, 35588, 36449, 41656, 55118, 62992, 71176, 72898, 83312, 110236, 142352, 145796, 161417, 220472, 291592, 322834, 440944, 583184, 645668, 1129919, 1291336, 2259838, 2582672, 4519676, 9039352, 18078704]

約数ペア:

[(1, 18078704), (2, 9039352), (4, 4519676), (7, 2582672), (8, 2259838), (14, 1291336), (16, 1129919), (28, 645668), (31, 583184), (41, 440944), (56, 322834), (62, 291592), (82, 220472), (112, 161417), (124, 145796), (127, 142352), (164, 110236), (217, 83312), (248, 72898), (254, 71176), (287, 62992), (328, 55118), (434, 41656), (496, 36449), (508, 35588), (574, 31496), (656, 27559), (868, 20828), (889, 20336), (1016, 17794), (1148, 15748), (1271, 14224), (1736, 10414), (1778, 10168), (2032, 8897), (2296, 7874), (2542, 7112), (3472, 5207), (3556, 5084), (3937, 4592)]