17966495984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{2909}}^1$

素因数の和:3198

約数の個数: 80

約数和(自身を含む): 36580515840

約数和(自身を除く): 18614019856

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 191, 344, 376, 382, 688, 752, 764, 1528, 2021, 2909, 3056, 4042, 5818, 8084, 8213, 8977, 11636, 16168, 16426, 17954, 23272, 32336, 32852, 35908, 46544, 65704, 71816, 125087, 131408, 136723, 143632, 250174, 273446, 386011, 500348, 546892, 555619, 772022, 1000696, 1093784, 1111238, 1544044, 2001392, 2187568, 2222476, 3088088, 4444952, 5879089, 6176176, 8889904, 11758178, 23516356, 23891617, 26114093, 47032712, 47783234, 52228186, 94065424, 95566468, 104456372, 191132936, 208912744, 382265872, 417825488, 1122905999, 2245811998, 4491623996, 8983247992, 17966495984]

約数ペア:

[(1, 17966495984), (2, 8983247992), (4, 4491623996), (8, 2245811998), (16, 1122905999), (43, 417825488), (47, 382265872), (86, 208912744), (94, 191132936), (172, 104456372), (188, 95566468), (191, 94065424), (344, 52228186), (376, 47783234), (382, 47032712), (688, 26114093), (752, 23891617), (764, 23516356), (1528, 11758178), (2021, 8889904), (2909, 6176176), (3056, 5879089), (4042, 4444952), (5818, 3088088), (8084, 2222476), (8213, 2187568), (8977, 2001392), (11636, 1544044), (16168, 1111238), (16426, 1093784), (17954, 1000696), (23272, 772022), (32336, 555619), (32852, 546892), (35908, 500348), (46544, 386011), (65704, 273446), (71816, 250174), (125087, 143632), (131408, 136723)]