19385217

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 29990400

約数和(自身を除く): 10605183

約数列:

[1, 3, 9, 27, 43, 59, 129, 177, 283, 387, 531, 849, 1161, 1593, 2537, 2547, 7611, 7641, 12169, 16697, 22833, 36507, 50091, 68499, 109521, 150273, 328563, 450819, 717971, 2153913, 6461739, 19385217]

約数ペア:

[(1, 19385217), (3, 6461739), (9, 2153913), (27, 717971), (43, 450819), (59, 328563), (129, 150273), (177, 109521), (283, 68499), (387, 50091), (531, 36507), (849, 22833), (1161, 16697), (1593, 12169), (2537, 7641), (2547, 7611)]