18070892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 37847040

約数和(自身を除く): 19776148

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 191, 217, 218, 382, 434, 436, 763, 764, 868, 1337, 1526, 2674, 3052, 3379, 5348, 5921, 6758, 11842, 13516, 20819, 23653, 23684, 41447, 41638, 47306, 82894, 83276, 94612, 145733, 165788, 291466, 582932, 645389, 1290778, 2581556, 4517723, 9035446, 18070892]

約数ペア:

[(1, 18070892), (2, 9035446), (4, 4517723), (7, 2581556), (14, 1290778), (28, 645389), (31, 582932), (62, 291466), (109, 165788), (124, 145733), (191, 94612), (217, 83276), (218, 82894), (382, 47306), (434, 41638), (436, 41447), (763, 23684), (764, 23653), (868, 20819), (1337, 13516), (1526, 11842), (2674, 6758), (3052, 5921), (3379, 5348)]