2019012485

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2746

約数の個数: 64

約数和(自身を含む): 3091169280

約数和(自身を除く): 1072156795

約数列:

[1, 5, 7, 19, 31, 35, 37, 95, 133, 155, 185, 217, 259, 589, 665, 703, 1085, 1147, 1295, 2647, 2945, 3515, 4123, 4921, 5735, 8029, 13235, 18529, 20615, 21793, 24605, 40145, 50293, 82057, 92645, 97939, 108965, 152551, 251465, 352051, 410285, 489695, 574399, 685573, 762755, 1559083, 1760255, 1860841, 2871995, 3036109, 3427865, 7795415, 9304205, 10913581, 13025887, 15180545, 21252763, 54567905, 57686071, 65129435, 106263815, 288430355, 403802497, 2019012485]

約数ペア:

[(1, 2019012485), (5, 403802497), (7, 288430355), (19, 106263815), (31, 65129435), (35, 57686071), (37, 54567905), (95, 21252763), (133, 15180545), (155, 13025887), (185, 10913581), (217, 9304205), (259, 7795415), (589, 3427865), (665, 3036109), (703, 2871995), (1085, 1860841), (1147, 1760255), (1295, 1559083), (2647, 762755), (2945, 685573), (3515, 574399), (4123, 489695), (4921, 410285), (5735, 352051), (8029, 251465), (13235, 152551), (18529, 108965), (20615, 97939), (21793, 92645), (24605, 82057), (40145, 50293)]