18876900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 63745920

約数和(自身を除く): 44869020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 89, 100, 101, 105, 140, 150, 175, 178, 202, 210, 267, 300, 303, 350, 356, 404, 420, 445, 505, 525, 534, 606, 623, 700, 707, 890, 1010, 1050, 1068, 1212, 1246, 1335, 1414, 1515, 1780, 1869, 2020, 2100, 2121, 2225, 2492, 2525, 2670, 2828, 3030, 3115, 3535, 3738, 4242, 4450, 5050, 5340, 6060, 6230, 6675, 7070, 7476, 7575, 8484, 8900, 8989, 9345, 10100, 10605, 12460, 13350, 14140, 15150, 15575, 17675, 17978, 18690, 21210, 26700, 26967, 30300, 31150, 35350, 35956, 37380, 42420, 44945, 46725, 53025, 53934, 62300, 62923, 70700, 89890, 93450, 106050, 107868, 125846, 134835, 179780, 186900, 188769, 212100, 224725, 251692, 269670, 314615, 377538, 449450, 539340, 629230, 674175, 755076, 898900, 943845, 1258460, 1348350, 1573075, 1887690, 2696700, 3146150, 3775380, 4719225, 6292300, 9438450, 18876900]

約数ペア:

[(1, 18876900), (2, 9438450), (3, 6292300), (4, 4719225), (5, 3775380), (6, 3146150), (7, 2696700), (10, 1887690), (12, 1573075), (14, 1348350), (15, 1258460), (20, 943845), (21, 898900), (25, 755076), (28, 674175), (30, 629230), (35, 539340), (42, 449450), (50, 377538), (60, 314615), (70, 269670), (75, 251692), (84, 224725), (89, 212100), (100, 188769), (101, 186900), (105, 179780), (140, 134835), (150, 125846), (175, 107868), (178, 106050), (202, 93450), (210, 89890), (267, 70700), (300, 62923), (303, 62300), (350, 53934), (356, 53025), (404, 46725), (420, 44945), (445, 42420), (505, 37380), (525, 35956), (534, 35350), (606, 31150), (623, 30300), (700, 26967), (707, 26700), (890, 21210), (1010, 18690), (1050, 17978), (1068, 17675), (1212, 15575), (1246, 15150), (1335, 14140), (1414, 13350), (1515, 12460), (1780, 10605), (1869, 10100), (2020, 9345), (2100, 8989), (2121, 8900), (2225, 8484), (2492, 7575), (2525, 7476), (2670, 7070), (2828, 6675), (3030, 6230), (3115, 6060), (3535, 5340), (3738, 5050), (4242, 4450)]