18217896

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 29090904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 127, 129, 139, 172, 254, 258, 278, 344, 381, 417, 508, 516, 556, 762, 834, 1016, 1032, 1112, 1524, 1668, 3048, 3336, 5461, 5977, 10922, 11954, 16383, 17653, 17931, 21844, 23908, 32766, 35306, 35862, 43688, 47816, 52959, 65532, 70612, 71724, 105918, 131064, 141224, 143448, 211836, 423672, 759079, 1518158, 2277237, 3036316, 4554474, 6072632, 9108948, 18217896]

約数ペア:

[(1, 18217896), (2, 9108948), (3, 6072632), (4, 4554474), (6, 3036316), (8, 2277237), (12, 1518158), (24, 759079), (43, 423672), (86, 211836), (127, 143448), (129, 141224), (139, 131064), (172, 105918), (254, 71724), (258, 70612), (278, 65532), (344, 52959), (381, 47816), (417, 43688), (508, 35862), (516, 35306), (556, 32766), (762, 23908), (834, 21844), (1016, 17931), (1032, 17653), (1112, 16383), (1524, 11954), (1668, 10922), (3048, 5977), (3336, 5461)]