18965100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 68495616

約数和(自身を除く): 49530516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 821, 825, 924, 1050, 1100, 1155, 1540, 1642, 1650, 1925, 2100, 2310, 2463, 3284, 3300, 3850, 4105, 4620, 4926, 5747, 5775, 7700, 8210, 9031, 9852, 11494, 11550, 12315, 16420, 17241, 18062, 20525, 22988, 23100, 24630, 27093, 28735, 34482, 36124, 41050, 45155, 49260, 54186, 57470, 61575, 63217, 68964, 82100, 86205, 90310, 108372, 114940, 123150, 126434, 135465, 143675, 172410, 180620, 189651, 225775, 246300, 252868, 270930, 287350, 316085, 344820, 379302, 431025, 451550, 541860, 574700, 632170, 677325, 758604, 862050, 903100, 948255, 1264340, 1354650, 1580425, 1724100, 1896510, 2709300, 3160850, 3793020, 4741275, 6321700, 9482550, 18965100]

約数ペア:

[(1, 18965100), (2, 9482550), (3, 6321700), (4, 4741275), (5, 3793020), (6, 3160850), (7, 2709300), (10, 1896510), (11, 1724100), (12, 1580425), (14, 1354650), (15, 1264340), (20, 948255), (21, 903100), (22, 862050), (25, 758604), (28, 677325), (30, 632170), (33, 574700), (35, 541860), (42, 451550), (44, 431025), (50, 379302), (55, 344820), (60, 316085), (66, 287350), (70, 270930), (75, 252868), (77, 246300), (84, 225775), (100, 189651), (105, 180620), (110, 172410), (132, 143675), (140, 135465), (150, 126434), (154, 123150), (165, 114940), (175, 108372), (210, 90310), (220, 86205), (231, 82100), (275, 68964), (300, 63217), (308, 61575), (330, 57470), (350, 54186), (385, 49260), (420, 45155), (462, 41050), (525, 36124), (550, 34482), (660, 28735), (700, 27093), (770, 24630), (821, 23100), (825, 22988), (924, 20525), (1050, 18062), (1100, 17241), (1155, 16420), (1540, 12315), (1642, 11550), (1650, 11494), (1925, 9852), (2100, 9031), (2310, 8210), (2463, 7700), (3284, 5775), (3300, 5747), (3850, 4926), (4105, 4620)]