18408045796

素因数分解:

$2^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{138319}}^1$

素因数の和:138441

約数の個数: 48

約数和(自身を含む): 37955008000

約数和(自身を除く): 19546962204

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 343, 388, 679, 686, 1358, 1372, 2716, 4753, 9506, 19012, 33271, 66542, 133084, 138319, 276638, 553276, 968233, 1936466, 3872932, 6777631, 13416943, 13555262, 26833886, 27110524, 47443417, 53667772, 93918601, 94886834, 187837202, 189773668, 375674404, 657430207, 1314860414, 2629720828, 4602011449, 9204022898, 18408045796]

約数ペア:

[(1, 18408045796), (2, 9204022898), (4, 4602011449), (7, 2629720828), (14, 1314860414), (28, 657430207), (49, 375674404), (97, 189773668), (98, 187837202), (194, 94886834), (196, 93918601), (343, 53667772), (388, 47443417), (679, 27110524), (686, 26833886), (1358, 13555262), (1372, 13416943), (2716, 6777631), (4753, 3872932), (9506, 1936466), (19012, 968233), (33271, 553276), (66542, 276638), (133084, 138319)]