19983075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 20014365

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2239, 2975, 6717, 8925, 11195, 15673, 33585, 38063, 47019, 55975, 78365, 114189, 167925, 190315, 235095, 266441, 391825, 570945, 799323, 951575, 1175475, 1332205, 2854725, 3996615, 6661025, 19983075]

約数ペア:

[(1, 19983075), (3, 6661025), (5, 3996615), (7, 2854725), (15, 1332205), (17, 1175475), (21, 951575), (25, 799323), (35, 570945), (51, 391825), (75, 266441), (85, 235095), (105, 190315), (119, 167925), (175, 114189), (255, 78365), (357, 55975), (425, 47019), (525, 38063), (595, 33585), (1275, 15673), (1785, 11195), (2239, 8925), (2975, 6717)]