19405177418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{1283}}^1$

素因数の和:1811

約数の個数: 64

約数和(自身を含む): 33707280384

約数和(自身を除く): 14302102966

約数列:

[1, 2, 11, 22, 23, 46, 71, 142, 253, 421, 506, 781, 842, 1283, 1562, 1633, 2566, 3266, 4631, 9262, 9683, 14113, 17963, 19366, 28226, 29509, 29891, 35926, 59018, 59782, 91093, 106513, 182186, 213026, 324599, 328801, 540143, 649198, 657602, 687493, 1002023, 1080286, 1374986, 2004046, 2095139, 4190278, 5941573, 7562423, 11883146, 12423289, 15124846, 23046529, 24846578, 38350153, 46093058, 76700306, 136656179, 273312358, 421851683, 843703366, 882053519, 1764107038, 9702588709, 19405177418]

約数ペア:

[(1, 19405177418), (2, 9702588709), (11, 1764107038), (22, 882053519), (23, 843703366), (46, 421851683), (71, 273312358), (142, 136656179), (253, 76700306), (421, 46093058), (506, 38350153), (781, 24846578), (842, 23046529), (1283, 15124846), (1562, 12423289), (1633, 11883146), (2566, 7562423), (3266, 5941573), (4631, 4190278), (9262, 2095139), (9683, 2004046), (14113, 1374986), (17963, 1080286), (19366, 1002023), (28226, 687493), (29509, 657602), (29891, 649198), (35926, 540143), (59018, 328801), (59782, 324599), (91093, 213026), (106513, 182186)]