18308850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 54960768

約数和(自身を除く): 36651918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 47, 49, 50, 53, 70, 75, 94, 98, 105, 106, 141, 147, 150, 159, 175, 210, 235, 245, 265, 282, 294, 318, 329, 350, 371, 470, 490, 525, 530, 658, 705, 735, 742, 795, 987, 1050, 1113, 1175, 1225, 1325, 1410, 1470, 1590, 1645, 1855, 1974, 2226, 2303, 2350, 2450, 2491, 2597, 2650, 3290, 3525, 3675, 3710, 3975, 4606, 4935, 4982, 5194, 5565, 6909, 7050, 7350, 7473, 7791, 7950, 8225, 9275, 9870, 11130, 11515, 12455, 12985, 13818, 14946, 15582, 16450, 17437, 18550, 23030, 24675, 24910, 25970, 27825, 34545, 34874, 37365, 38955, 49350, 52311, 55650, 57575, 62275, 64925, 69090, 74730, 77910, 87185, 104622, 115150, 122059, 124550, 129850, 172725, 174370, 186825, 194775, 244118, 261555, 345450, 366177, 373650, 389550, 435925, 523110, 610295, 732354, 871850, 1220590, 1307775, 1830885, 2615550, 3051475, 3661770, 6102950, 9154425, 18308850]

約数ペア:

[(1, 18308850), (2, 9154425), (3, 6102950), (5, 3661770), (6, 3051475), (7, 2615550), (10, 1830885), (14, 1307775), (15, 1220590), (21, 871850), (25, 732354), (30, 610295), (35, 523110), (42, 435925), (47, 389550), (49, 373650), (50, 366177), (53, 345450), (70, 261555), (75, 244118), (94, 194775), (98, 186825), (105, 174370), (106, 172725), (141, 129850), (147, 124550), (150, 122059), (159, 115150), (175, 104622), (210, 87185), (235, 77910), (245, 74730), (265, 69090), (282, 64925), (294, 62275), (318, 57575), (329, 55650), (350, 52311), (371, 49350), (470, 38955), (490, 37365), (525, 34874), (530, 34545), (658, 27825), (705, 25970), (735, 24910), (742, 24675), (795, 23030), (987, 18550), (1050, 17437), (1113, 16450), (1175, 15582), (1225, 14946), (1325, 13818), (1410, 12985), (1470, 12455), (1590, 11515), (1645, 11130), (1855, 9870), (1974, 9275), (2226, 8225), (2303, 7950), (2350, 7791), (2450, 7473), (2491, 7350), (2597, 7050), (2650, 6909), (3290, 5565), (3525, 5194), (3675, 4982), (3710, 4935), (3975, 4606)]