18793800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 64633140

約数和(自身を除く): 45839340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 53, 60, 72, 75, 90, 100, 106, 120, 150, 159, 180, 197, 200, 212, 225, 265, 300, 318, 360, 394, 424, 450, 477, 530, 591, 600, 636, 788, 795, 900, 954, 985, 1060, 1182, 1272, 1325, 1576, 1590, 1773, 1800, 1908, 1970, 2120, 2364, 2385, 2650, 2955, 3180, 3546, 3816, 3940, 3975, 4728, 4770, 4925, 5300, 5910, 6360, 7092, 7880, 7950, 8865, 9540, 9850, 10441, 10600, 11820, 11925, 14184, 14775, 15900, 17730, 19080, 19700, 20882, 23640, 23850, 29550, 31323, 31800, 35460, 39400, 41764, 44325, 47700, 52205, 59100, 62646, 70920, 83528, 88650, 93969, 95400, 104410, 118200, 125292, 156615, 177300, 187938, 208820, 250584, 261025, 313230, 354600, 375876, 417640, 469845, 522050, 626460, 751752, 783075, 939690, 1044100, 1252920, 1566150, 1879380, 2088200, 2349225, 3132300, 3758760, 4698450, 6264600, 9396900, 18793800]

約数ペア:

[(1, 18793800), (2, 9396900), (3, 6264600), (4, 4698450), (5, 3758760), (6, 3132300), (8, 2349225), (9, 2088200), (10, 1879380), (12, 1566150), (15, 1252920), (18, 1044100), (20, 939690), (24, 783075), (25, 751752), (30, 626460), (36, 522050), (40, 469845), (45, 417640), (50, 375876), (53, 354600), (60, 313230), (72, 261025), (75, 250584), (90, 208820), (100, 187938), (106, 177300), (120, 156615), (150, 125292), (159, 118200), (180, 104410), (197, 95400), (200, 93969), (212, 88650), (225, 83528), (265, 70920), (300, 62646), (318, 59100), (360, 52205), (394, 47700), (424, 44325), (450, 41764), (477, 39400), (530, 35460), (591, 31800), (600, 31323), (636, 29550), (788, 23850), (795, 23640), (900, 20882), (954, 19700), (985, 19080), (1060, 17730), (1182, 15900), (1272, 14775), (1325, 14184), (1576, 11925), (1590, 11820), (1773, 10600), (1800, 10441), (1908, 9850), (1970, 9540), (2120, 8865), (2364, 7950), (2385, 7880), (2650, 7092), (2955, 6360), (3180, 5910), (3546, 5300), (3816, 4925), (3940, 4770), (3975, 4728)]