17968468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 37617664

約数和(自身を除く): 19649196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 163, 217, 254, 326, 434, 508, 652, 868, 889, 1141, 1778, 2282, 3556, 3937, 4564, 5053, 7874, 10106, 15748, 20212, 20701, 27559, 35371, 41402, 55118, 70742, 82804, 110236, 141484, 144907, 289814, 579628, 641731, 1283462, 2566924, 4492117, 8984234, 17968468]

約数ペア:

[(1, 17968468), (2, 8984234), (4, 4492117), (7, 2566924), (14, 1283462), (28, 641731), (31, 579628), (62, 289814), (124, 144907), (127, 141484), (163, 110236), (217, 82804), (254, 70742), (326, 55118), (434, 41402), (508, 35371), (652, 27559), (868, 20701), (889, 20212), (1141, 15748), (1778, 10106), (2282, 7874), (3556, 5053), (3937, 4564)]