19770744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{859}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 56966400

約数和(自身を除く): 37195656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 859, 959, 1096, 1644, 1718, 1918, 2577, 2877, 3288, 3436, 3836, 5154, 5754, 6013, 6872, 7672, 10308, 11508, 12026, 18039, 20616, 23016, 24052, 36078, 48104, 72156, 117683, 144312, 235366, 353049, 470732, 706098, 823781, 941464, 1412196, 1647562, 2471343, 2824392, 3295124, 4942686, 6590248, 9885372, 19770744]

約数ペア:

[(1, 19770744), (2, 9885372), (3, 6590248), (4, 4942686), (6, 3295124), (7, 2824392), (8, 2471343), (12, 1647562), (14, 1412196), (21, 941464), (24, 823781), (28, 706098), (42, 470732), (56, 353049), (84, 235366), (137, 144312), (168, 117683), (274, 72156), (411, 48104), (548, 36078), (822, 24052), (859, 23016), (959, 20616), (1096, 18039), (1644, 12026), (1718, 11508), (1918, 10308), (2577, 7672), (2877, 6872), (3288, 6013), (3436, 5754), (3836, 5154)]