2018119974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{811}}^1$

素因数の和:1413

約数の個数: 64

約数和(自身を含む): 4431883008

約数和(自身を除く): 2413763034

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 523, 793, 811, 1046, 1569, 1586, 1622, 2379, 2433, 3138, 4758, 4866, 6799, 10543, 13598, 20397, 21086, 31629, 31903, 40794, 49471, 63258, 63806, 95709, 98942, 148413, 191418, 296826, 414739, 424153, 643123, 829478, 848306, 1244217, 1272459, 1286246, 1929369, 2488434, 2544918, 3858738, 5513989, 11027978, 16541967, 25873333, 33083934, 51746666, 77619999, 155239998, 336353329, 672706658, 1009059987, 2018119974]

約数ペア:

[(1, 2018119974), (2, 1009059987), (3, 672706658), (6, 336353329), (13, 155239998), (26, 77619999), (39, 51746666), (61, 33083934), (78, 25873333), (122, 16541967), (183, 11027978), (366, 5513989), (523, 3858738), (793, 2544918), (811, 2488434), (1046, 1929369), (1569, 1286246), (1586, 1272459), (1622, 1244217), (2379, 848306), (2433, 829478), (3138, 643123), (4758, 424153), (4866, 414739), (6799, 296826), (10543, 191418), (13598, 148413), (20397, 98942), (21086, 95709), (31629, 63806), (31903, 63258), (40794, 49471)]