18554994

素因数分解:

$2^1\times 3^5\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 42343392

約数和(自身を除く): 23788398

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 523, 657, 1046, 1314, 1569, 1971, 3138, 3942, 4707, 5913, 9414, 11826, 14121, 17739, 28242, 35478, 38179, 42363, 76358, 84726, 114537, 127089, 229074, 254178, 343611, 687222, 1030833, 2061666, 3092499, 6184998, 9277497, 18554994]

約数ペア:

[(1, 18554994), (2, 9277497), (3, 6184998), (6, 3092499), (9, 2061666), (18, 1030833), (27, 687222), (54, 343611), (73, 254178), (81, 229074), (146, 127089), (162, 114537), (219, 84726), (243, 76358), (438, 42363), (486, 38179), (523, 35478), (657, 28242), (1046, 17739), (1314, 14121), (1569, 11826), (1971, 9414), (3138, 5913), (3942, 4707)]