19078740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11777}}^1$

素因数の和:11798

約数の個数: 60

約数和(自身を含む): 59855796

約数和(自身を除く): 40777056

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11777, 23554, 35331, 47108, 58885, 70662, 105993, 117770, 141324, 176655, 211986, 235540, 317979, 353310, 423972, 529965, 635958, 706620, 953937, 1059930, 1271916, 1589895, 1907874, 2119860, 3179790, 3815748, 4769685, 6359580, 9539370, 19078740]

約数ペア:

[(1, 19078740), (2, 9539370), (3, 6359580), (4, 4769685), (5, 3815748), (6, 3179790), (9, 2119860), (10, 1907874), (12, 1589895), (15, 1271916), (18, 1059930), (20, 953937), (27, 706620), (30, 635958), (36, 529965), (45, 423972), (54, 353310), (60, 317979), (81, 235540), (90, 211986), (108, 176655), (135, 141324), (162, 117770), (180, 105993), (270, 70662), (324, 58885), (405, 47108), (540, 35331), (810, 23554), (1620, 11777)]