19396620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 59243184

約数和(自身を除く): 39846564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 547, 591, 788, 985, 1094, 1182, 1641, 1773, 1970, 2188, 2364, 2735, 2955, 3282, 3546, 3940, 4923, 5470, 5910, 6564, 7092, 8205, 8865, 9846, 10940, 11820, 16410, 17730, 19692, 24615, 32820, 35460, 49230, 98460, 107759, 215518, 323277, 431036, 538795, 646554, 969831, 1077590, 1293108, 1616385, 1939662, 2155180, 3232770, 3879324, 4849155, 6465540, 9698310, 19396620]

約数ペア:

[(1, 19396620), (2, 9698310), (3, 6465540), (4, 4849155), (5, 3879324), (6, 3232770), (9, 2155180), (10, 1939662), (12, 1616385), (15, 1293108), (18, 1077590), (20, 969831), (30, 646554), (36, 538795), (45, 431036), (60, 323277), (90, 215518), (180, 107759), (197, 98460), (394, 49230), (547, 35460), (591, 32820), (788, 24615), (985, 19692), (1094, 17730), (1182, 16410), (1641, 11820), (1773, 10940), (1970, 9846), (2188, 8865), (2364, 8205), (2735, 7092), (2955, 6564), (3282, 5910), (3546, 5470), (3940, 4923)]