18731768

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 39724440

約数和(自身を除く): 20992672

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 242, 296, 407, 484, 523, 814, 968, 1046, 1628, 2092, 3256, 4184, 4477, 5753, 8954, 11506, 17908, 19351, 23012, 35816, 38702, 46024, 63283, 77404, 126566, 154808, 212861, 253132, 425722, 506264, 851444, 1702888, 2341471, 4682942, 9365884, 18731768]

約数ペア:

[(1, 18731768), (2, 9365884), (4, 4682942), (8, 2341471), (11, 1702888), (22, 851444), (37, 506264), (44, 425722), (74, 253132), (88, 212861), (121, 154808), (148, 126566), (242, 77404), (296, 63283), (407, 46024), (484, 38702), (523, 35816), (814, 23012), (968, 19351), (1046, 17908), (1628, 11506), (2092, 8954), (3256, 5753), (4184, 4477)]