19947278310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{781327}}^1$

素因数の和:781397

約数の個数: 64

約数和(自身を含む): 51305121792

約数和(自身を除く): 31357843482

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 345, 370, 555, 690, 851, 1110, 1702, 2553, 4255, 5106, 8510, 12765, 25530, 781327, 1562654, 2343981, 3906635, 4687962, 7813270, 11719905, 17970521, 23439810, 28909099, 35941042, 53911563, 57818198, 86727297, 89852605, 107823126, 144545495, 173454594, 179705210, 269557815, 289090990, 433636485, 539115630, 664909277, 867272970, 1329818554, 1994727831, 3324546385, 3989455662, 6649092770, 9973639155, 19947278310]

約数ペア:

[(1, 19947278310), (2, 9973639155), (3, 6649092770), (5, 3989455662), (6, 3324546385), (10, 1994727831), (15, 1329818554), (23, 867272970), (30, 664909277), (37, 539115630), (46, 433636485), (69, 289090990), (74, 269557815), (111, 179705210), (115, 173454594), (138, 144545495), (185, 107823126), (222, 89852605), (230, 86727297), (345, 57818198), (370, 53911563), (555, 35941042), (690, 28909099), (851, 23439810), (1110, 17970521), (1702, 11719905), (2553, 7813270), (4255, 4687962), (5106, 3906635), (8510, 2343981), (12765, 1562654), (25530, 781327)]