20181782408

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{77773}}^1$

素因数の和:78141

約数の個数: 32

約数和(自身を含む): 38264808000

約数和(自身を除く): 18083025592

約数列:

[1, 2, 4, 8, 163, 199, 326, 398, 652, 796, 1304, 1592, 32437, 64874, 77773, 129748, 155546, 259496, 311092, 622184, 12676999, 15476827, 25353998, 30953654, 50707996, 61907308, 101415992, 123814616, 2522722801, 5045445602, 10090891204, 20181782408]

約数ペア:

[(1, 20181782408), (2, 10090891204), (4, 5045445602), (8, 2522722801), (163, 123814616), (199, 101415992), (326, 61907308), (398, 50707996), (652, 30953654), (796, 25353998), (1304, 15476827), (1592, 12676999), (32437, 622184), (64874, 311092), (77773, 259496), (129748, 155546)]