18666424

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1297}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 40186080

約数和(自身を除く): 21519656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1297, 1799, 2056, 2594, 3598, 5188, 7196, 9079, 10376, 14392, 18158, 36316, 72632, 333329, 666658, 1333316, 2333303, 2666632, 4666606, 9333212, 18666424]

約数ペア:

[(1, 18666424), (2, 9333212), (4, 4666606), (7, 2666632), (8, 2333303), (14, 1333316), (28, 666658), (56, 333329), (257, 72632), (514, 36316), (1028, 18158), (1297, 14392), (1799, 10376), (2056, 9079), (2594, 7196), (3598, 5188)]