18688680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{51913}}^1$

素因数の和:51930

約数の個数: 48

約数和(自身を含む): 60739380

約数和(自身を除く): 42050700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 51913, 103826, 155739, 207652, 259565, 311478, 415304, 467217, 519130, 622956, 778695, 934434, 1038260, 1245912, 1557390, 1868868, 2076520, 2336085, 3114780, 3737736, 4672170, 6229560, 9344340, 18688680]

約数ペア:

[(1, 18688680), (2, 9344340), (3, 6229560), (4, 4672170), (5, 3737736), (6, 3114780), (8, 2336085), (9, 2076520), (10, 1868868), (12, 1557390), (15, 1245912), (18, 1038260), (20, 934434), (24, 778695), (30, 622956), (36, 519130), (40, 467217), (45, 415304), (60, 311478), (72, 259565), (90, 207652), (120, 155739), (180, 103826), (360, 51913)]