19668663

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 34850816

約数和(自身を除く): 15182153

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 373, 567, 651, 837, 1119, 1701, 1953, 2511, 2611, 3357, 5859, 7533, 7833, 10071, 11563, 17577, 23499, 30213, 34689, 52731, 70497, 80941, 90639, 104067, 211491, 242823, 312201, 634473, 728469, 936603, 2185407, 2809809, 6556221, 19668663]

約数ペア:

[(1, 19668663), (3, 6556221), (7, 2809809), (9, 2185407), (21, 936603), (27, 728469), (31, 634473), (63, 312201), (81, 242823), (93, 211491), (189, 104067), (217, 90639), (243, 80941), (279, 70497), (373, 52731), (567, 34689), (651, 30213), (837, 23499), (1119, 17577), (1701, 11563), (1953, 10071), (2511, 7833), (2611, 7533), (3357, 5859)]