19148751

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 30176000

約数和(自身を除く): 11027249

約数列:

[1, 3, 9, 19, 27, 57, 163, 171, 229, 489, 513, 687, 1467, 2061, 3097, 4351, 4401, 6183, 9291, 13053, 27873, 37327, 39159, 83619, 111981, 117477, 335943, 709213, 1007829, 2127639, 6382917, 19148751]

約数ペア:

[(1, 19148751), (3, 6382917), (9, 2127639), (19, 1007829), (27, 709213), (57, 335943), (163, 117477), (171, 111981), (229, 83619), (489, 39159), (513, 37327), (687, 27873), (1467, 13053), (2061, 9291), (3097, 6183), (4351, 4401)]