18557526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 41341104

約数和(自身を除く): 22783578

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 67, 78, 106, 134, 159, 201, 318, 402, 689, 871, 1378, 1742, 2067, 2613, 3551, 4134, 4489, 5226, 7102, 8978, 10653, 13467, 21306, 26934, 46163, 58357, 92326, 116714, 138489, 175071, 237917, 276978, 350142, 475834, 713751, 1427502, 3092921, 6185842, 9278763, 18557526]

約数ペア:

[(1, 18557526), (2, 9278763), (3, 6185842), (6, 3092921), (13, 1427502), (26, 713751), (39, 475834), (53, 350142), (67, 276978), (78, 237917), (106, 175071), (134, 138489), (159, 116714), (201, 92326), (318, 58357), (402, 46163), (689, 26934), (871, 21306), (1378, 13467), (1742, 10653), (2067, 8978), (2613, 7102), (3551, 5226), (4134, 4489)]