18659360

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 25793440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 839, 1112, 1390, 1678, 2224, 2780, 3356, 4195, 4448, 5560, 6712, 8390, 11120, 13424, 16780, 22240, 26848, 33560, 67120, 116621, 134240, 233242, 466484, 583105, 932968, 1166210, 1865936, 2332420, 3731872, 4664840, 9329680, 18659360]

約数ペア:

[(1, 18659360), (2, 9329680), (4, 4664840), (5, 3731872), (8, 2332420), (10, 1865936), (16, 1166210), (20, 932968), (32, 583105), (40, 466484), (80, 233242), (139, 134240), (160, 116621), (278, 67120), (556, 33560), (695, 26848), (839, 22240), (1112, 16780), (1390, 13424), (1678, 11120), (2224, 8390), (2780, 6712), (3356, 5560), (4195, 4448)]