19926676

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 44900352

約数和(自身を除く): 24973676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2087, 2387, 4174, 4774, 8348, 9548, 14609, 22957, 29218, 45914, 58436, 64697, 91828, 129394, 160699, 258788, 321398, 452879, 642796, 711667, 905758, 1423334, 1811516, 2846668, 4981669, 9963338, 19926676]

約数ペア:

[(1, 19926676), (2, 9963338), (4, 4981669), (7, 2846668), (11, 1811516), (14, 1423334), (22, 905758), (28, 711667), (31, 642796), (44, 452879), (62, 321398), (77, 258788), (124, 160699), (154, 129394), (217, 91828), (308, 64697), (341, 58436), (434, 45914), (682, 29218), (868, 22957), (1364, 14609), (2087, 9548), (2387, 8348), (4174, 4774)]