19820135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 26818560

約数和(自身を除く): 6998425

約数列:

[1, 5, 19, 23, 47, 95, 115, 193, 235, 437, 893, 965, 1081, 2185, 3667, 4439, 4465, 5405, 9071, 18335, 20539, 22195, 45355, 84341, 102695, 172349, 208633, 421705, 861745, 1043165, 3964027, 19820135]

約数ペア:

[(1, 19820135), (5, 3964027), (19, 1043165), (23, 861745), (47, 421705), (95, 208633), (115, 172349), (193, 102695), (235, 84341), (437, 45355), (893, 22195), (965, 20539), (1081, 18335), (2185, 9071), (3667, 5405), (4439, 4465)]