19770344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 42854400

約数和(自身を除く): 23084056

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 61, 88, 116, 122, 127, 232, 244, 254, 319, 488, 508, 638, 671, 1016, 1276, 1342, 1397, 1769, 2552, 2684, 2794, 3538, 3683, 5368, 5588, 7076, 7366, 7747, 11176, 14152, 14732, 15494, 19459, 29464, 30988, 38918, 40513, 61976, 77836, 81026, 85217, 155672, 162052, 170434, 224663, 324104, 340868, 449326, 681736, 898652, 1797304, 2471293, 4942586, 9885172, 19770344]

約数ペア:

[(1, 19770344), (2, 9885172), (4, 4942586), (8, 2471293), (11, 1797304), (22, 898652), (29, 681736), (44, 449326), (58, 340868), (61, 324104), (88, 224663), (116, 170434), (122, 162052), (127, 155672), (232, 85217), (244, 81026), (254, 77836), (319, 61976), (488, 40513), (508, 38918), (638, 30988), (671, 29464), (1016, 19459), (1276, 15494), (1342, 14732), (1397, 14152), (1769, 11176), (2552, 7747), (2684, 7366), (2794, 7076), (3538, 5588), (3683, 5368)]