19992426

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1414

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 21868374

約数列:

[1, 2, 3, 6, 29, 58, 87, 89, 174, 178, 267, 534, 1291, 2581, 2582, 3873, 5162, 7743, 7746, 15486, 37439, 74878, 112317, 114899, 224634, 229798, 344697, 689394, 3332071, 6664142, 9996213, 19992426]

約数ペア:

[(1, 19992426), (2, 9996213), (3, 6664142), (6, 3332071), (29, 689394), (58, 344697), (87, 229798), (89, 224634), (174, 114899), (178, 112317), (267, 74878), (534, 37439), (1291, 15486), (2581, 7746), (2582, 7743), (3873, 5162)]