18625684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 42402528

約数和(自身を除く): 23776844

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 53, 77, 98, 106, 154, 163, 196, 212, 308, 326, 371, 539, 583, 652, 742, 1078, 1141, 1166, 1484, 1793, 2156, 2282, 2332, 2597, 3586, 4081, 4564, 5194, 7172, 7987, 8162, 8639, 10388, 12551, 15974, 16324, 17278, 25102, 28567, 31948, 34556, 50204, 57134, 60473, 87857, 95029, 114268, 120946, 175714, 190058, 241892, 351428, 380116, 423311, 665203, 846622, 1330406, 1693244, 2660812, 4656421, 9312842, 18625684]

約数ペア:

[(1, 18625684), (2, 9312842), (4, 4656421), (7, 2660812), (11, 1693244), (14, 1330406), (22, 846622), (28, 665203), (44, 423311), (49, 380116), (53, 351428), (77, 241892), (98, 190058), (106, 175714), (154, 120946), (163, 114268), (196, 95029), (212, 87857), (308, 60473), (326, 57134), (371, 50204), (539, 34556), (583, 31948), (652, 28567), (742, 25102), (1078, 17278), (1141, 16324), (1166, 15974), (1484, 12551), (1793, 10388), (2156, 8639), (2282, 8162), (2332, 7987), (2597, 7172), (3586, 5194), (4081, 4564)]