18986550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 52925184

約数和(自身を除く): 33938634

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 37, 50, 55, 66, 74, 75, 110, 111, 150, 165, 185, 222, 275, 311, 330, 370, 407, 550, 555, 622, 814, 825, 925, 933, 1110, 1221, 1555, 1650, 1850, 1866, 2035, 2442, 2775, 3110, 3421, 4070, 4665, 5550, 6105, 6842, 7775, 9330, 10175, 10263, 11507, 12210, 15550, 17105, 20350, 20526, 23014, 23325, 30525, 34210, 34521, 46650, 51315, 57535, 61050, 69042, 85525, 102630, 115070, 126577, 171050, 172605, 253154, 256575, 287675, 345210, 379731, 513150, 575350, 632885, 759462, 863025, 1265770, 1726050, 1898655, 3164425, 3797310, 6328850, 9493275, 18986550]

約数ペア:

[(1, 18986550), (2, 9493275), (3, 6328850), (5, 3797310), (6, 3164425), (10, 1898655), (11, 1726050), (15, 1265770), (22, 863025), (25, 759462), (30, 632885), (33, 575350), (37, 513150), (50, 379731), (55, 345210), (66, 287675), (74, 256575), (75, 253154), (110, 172605), (111, 171050), (150, 126577), (165, 115070), (185, 102630), (222, 85525), (275, 69042), (311, 61050), (330, 57535), (370, 51315), (407, 46650), (550, 34521), (555, 34210), (622, 30525), (814, 23325), (825, 23014), (925, 20526), (933, 20350), (1110, 17105), (1221, 15550), (1555, 12210), (1650, 11507), (1850, 10263), (1866, 10175), (2035, 9330), (2442, 7775), (2775, 6842), (3110, 6105), (3421, 5550), (4070, 4665)]