19730520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18269}}^1$

素因数の和:18289

約数の個数: 64

約数和(自身を含む): 65772000

約数和(自身を除く): 46041480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18269, 36538, 54807, 73076, 91345, 109614, 146152, 164421, 182690, 219228, 274035, 328842, 365380, 438456, 493263, 548070, 657684, 730760, 822105, 986526, 1096140, 1315368, 1644210, 1973052, 2192280, 2466315, 3288420, 3946104, 4932630, 6576840, 9865260, 19730520]

約数ペア:

[(1, 19730520), (2, 9865260), (3, 6576840), (4, 4932630), (5, 3946104), (6, 3288420), (8, 2466315), (9, 2192280), (10, 1973052), (12, 1644210), (15, 1315368), (18, 1096140), (20, 986526), (24, 822105), (27, 730760), (30, 657684), (36, 548070), (40, 493263), (45, 438456), (54, 365380), (60, 328842), (72, 274035), (90, 219228), (108, 182690), (120, 164421), (135, 146152), (180, 109614), (216, 91345), (270, 73076), (360, 54807), (540, 36538), (1080, 18269)]