18280736

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 38374560

約数和(自身を除く): 20093824

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 107, 152, 214, 281, 304, 428, 562, 608, 856, 1124, 1712, 2033, 2248, 3424, 4066, 4496, 5339, 8132, 8992, 10678, 16264, 21356, 30067, 32528, 42712, 60134, 65056, 85424, 120268, 170848, 240536, 481072, 571273, 962144, 1142546, 2285092, 4570184, 9140368, 18280736]

約数ペア:

[(1, 18280736), (2, 9140368), (4, 4570184), (8, 2285092), (16, 1142546), (19, 962144), (32, 571273), (38, 481072), (76, 240536), (107, 170848), (152, 120268), (214, 85424), (281, 65056), (304, 60134), (428, 42712), (562, 32528), (608, 30067), (856, 21356), (1124, 16264), (1712, 10678), (2033, 8992), (2248, 8132), (3424, 5339), (4066, 4496)]