19605984

素因数分解:

$2^5\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1$

素因数の和:1703

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 32285856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 131, 262, 393, 524, 786, 1048, 1559, 1572, 2096, 3118, 3144, 4192, 4677, 6236, 6288, 9354, 12472, 12576, 18708, 24944, 37416, 49888, 74832, 149664, 204229, 408458, 612687, 816916, 1225374, 1633832, 2450748, 3267664, 4901496, 6535328, 9802992, 19605984]

約数ペア:

[(1, 19605984), (2, 9802992), (3, 6535328), (4, 4901496), (6, 3267664), (8, 2450748), (12, 1633832), (16, 1225374), (24, 816916), (32, 612687), (48, 408458), (96, 204229), (131, 149664), (262, 74832), (393, 49888), (524, 37416), (786, 24944), (1048, 18708), (1559, 12576), (1572, 12472), (2096, 9354), (3118, 6288), (3144, 6236), (4192, 4677)]