18678044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 42453600

約数和(自身を除く): 23775556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 121, 148, 149, 154, 242, 259, 298, 308, 407, 484, 518, 596, 814, 847, 1036, 1043, 1628, 1639, 1694, 2086, 2849, 3278, 3388, 4172, 4477, 5513, 5698, 6556, 8954, 11026, 11396, 11473, 17908, 18029, 22052, 22946, 31339, 36058, 38591, 45892, 60643, 62678, 72116, 77182, 121286, 125356, 126203, 154364, 242572, 252406, 424501, 504812, 667073, 849002, 1334146, 1698004, 2668292, 4669511, 9339022, 18678044]

約数ペア:

[(1, 18678044), (2, 9339022), (4, 4669511), (7, 2668292), (11, 1698004), (14, 1334146), (22, 849002), (28, 667073), (37, 504812), (44, 424501), (74, 252406), (77, 242572), (121, 154364), (148, 126203), (149, 125356), (154, 121286), (242, 77182), (259, 72116), (298, 62678), (308, 60643), (407, 45892), (484, 38591), (518, 36058), (596, 31339), (814, 22946), (847, 22052), (1036, 18029), (1043, 17908), (1628, 11473), (1639, 11396), (1694, 11026), (2086, 8954), (2849, 6556), (3278, 5698), (3388, 5513), (4172, 4477)]