18829328

素因数分解:

$2^4\times 7^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 44044800

約数和(自身を除く): 25215472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 73, 94, 98, 112, 146, 188, 196, 292, 329, 343, 376, 392, 511, 584, 658, 686, 752, 784, 1022, 1168, 1316, 1372, 2044, 2303, 2632, 2744, 3431, 3577, 4088, 4606, 5264, 5488, 6862, 7154, 8176, 9212, 13724, 14308, 16121, 18424, 24017, 25039, 27448, 28616, 32242, 36848, 48034, 50078, 54896, 57232, 64484, 96068, 100156, 128968, 168119, 192136, 200312, 257936, 336238, 384272, 400624, 672476, 1176833, 1344952, 2353666, 2689904, 4707332, 9414664, 18829328]

約数ペア:

[(1, 18829328), (2, 9414664), (4, 4707332), (7, 2689904), (8, 2353666), (14, 1344952), (16, 1176833), (28, 672476), (47, 400624), (49, 384272), (56, 336238), (73, 257936), (94, 200312), (98, 192136), (112, 168119), (146, 128968), (188, 100156), (196, 96068), (292, 64484), (329, 57232), (343, 54896), (376, 50078), (392, 48034), (511, 36848), (584, 32242), (658, 28616), (686, 27448), (752, 25039), (784, 24017), (1022, 18424), (1168, 16121), (1316, 14308), (1372, 13724), (2044, 9212), (2303, 8176), (2632, 7154), (2744, 6862), (3431, 5488), (3577, 5264), (4088, 4606)]