18947700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:626

約数の個数: 108

約数和(自身を含む): 61102860

約数和(自身を除く): 42155160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 74, 75, 90, 100, 111, 148, 150, 180, 185, 222, 225, 300, 333, 370, 444, 450, 555, 569, 666, 740, 900, 925, 1110, 1138, 1332, 1665, 1707, 1850, 2220, 2276, 2775, 2845, 3330, 3414, 3700, 5121, 5550, 5690, 6660, 6828, 8325, 8535, 10242, 11100, 11380, 14225, 16650, 17070, 20484, 21053, 25605, 28450, 33300, 34140, 42106, 42675, 51210, 56900, 63159, 84212, 85350, 102420, 105265, 126318, 128025, 170700, 189477, 210530, 252636, 256050, 315795, 378954, 421060, 512100, 526325, 631590, 757908, 947385, 1052650, 1263180, 1578975, 1894770, 2105300, 3157950, 3789540, 4736925, 6315900, 9473850, 18947700]

約数ペア:

[(1, 18947700), (2, 9473850), (3, 6315900), (4, 4736925), (5, 3789540), (6, 3157950), (9, 2105300), (10, 1894770), (12, 1578975), (15, 1263180), (18, 1052650), (20, 947385), (25, 757908), (30, 631590), (36, 526325), (37, 512100), (45, 421060), (50, 378954), (60, 315795), (74, 256050), (75, 252636), (90, 210530), (100, 189477), (111, 170700), (148, 128025), (150, 126318), (180, 105265), (185, 102420), (222, 85350), (225, 84212), (300, 63159), (333, 56900), (370, 51210), (444, 42675), (450, 42106), (555, 34140), (569, 33300), (666, 28450), (740, 25605), (900, 21053), (925, 20484), (1110, 17070), (1138, 16650), (1332, 14225), (1665, 11380), (1707, 11100), (1850, 10242), (2220, 8535), (2276, 8325), (2775, 6828), (2845, 6660), (3330, 5690), (3414, 5550), (3700, 5121)]