2013128812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1\times {\mathrm{947}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 3768186240

約数和(自身を除く): 1755057428

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 337, 674, 947, 1348, 1577, 1894, 3154, 3788, 6308, 6403, 12806, 17993, 25612, 27971, 35986, 55942, 71972, 78601, 111884, 157202, 314404, 319139, 531449, 638278, 1062898, 1276556, 1493419, 2125796, 2986838, 5973676, 6063641, 12127282, 24254564, 26488537, 52977074, 105954148, 503282203, 1006564406, 2013128812]

約数ペア:

[(1, 2013128812), (2, 1006564406), (4, 503282203), (19, 105954148), (38, 52977074), (76, 26488537), (83, 24254564), (166, 12127282), (332, 6063641), (337, 5973676), (674, 2986838), (947, 2125796), (1348, 1493419), (1577, 1276556), (1894, 1062898), (3154, 638278), (3788, 531449), (6308, 319139), (6403, 314404), (12806, 157202), (17993, 111884), (25612, 78601), (27971, 71972), (35986, 55942)]