17998974

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{20407}}^1$

素因数の和:20429

約数の個数: 36

約数和(自身を含む): 45366984

約数和(自身を除く): 27368010

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 20407, 40814, 61221, 122442, 142849, 183663, 285698, 367326, 428547, 857094, 999943, 1285641, 1999886, 2571282, 2999829, 5999658, 8999487, 17998974]

約数ペア:

[(1, 17998974), (2, 8999487), (3, 5999658), (6, 2999829), (7, 2571282), (9, 1999886), (14, 1285641), (18, 999943), (21, 857094), (42, 428547), (49, 367326), (63, 285698), (98, 183663), (126, 142849), (147, 122442), (294, 61221), (441, 40814), (882, 20407)]