19282557

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11130243

約数列:

[1, 3, 7, 21, 59, 79, 177, 197, 237, 413, 553, 591, 1239, 1379, 1659, 4137, 4661, 11623, 13983, 15563, 32627, 34869, 46689, 81361, 97881, 108941, 244083, 326823, 918217, 2754651, 6427519, 19282557]

約数ペア:

[(1, 19282557), (3, 6427519), (7, 2754651), (21, 918217), (59, 326823), (79, 244083), (177, 108941), (197, 97881), (237, 81361), (413, 46689), (553, 34869), (591, 32627), (1239, 15563), (1379, 13983), (1659, 11623), (4137, 4661)]