19601880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 39495720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 379, 431, 758, 862, 1137, 1293, 1516, 1724, 1895, 2155, 2274, 2586, 3032, 3448, 3790, 4310, 4548, 5172, 5685, 6465, 7580, 8620, 9096, 10344, 11370, 12930, 15160, 17240, 22740, 25860, 45480, 51720, 163349, 326698, 490047, 653396, 816745, 980094, 1306792, 1633490, 1960188, 2450235, 3266980, 3920376, 4900470, 6533960, 9800940, 19601880]

約数ペア:

[(1, 19601880), (2, 9800940), (3, 6533960), (4, 4900470), (5, 3920376), (6, 3266980), (8, 2450235), (10, 1960188), (12, 1633490), (15, 1306792), (20, 980094), (24, 816745), (30, 653396), (40, 490047), (60, 326698), (120, 163349), (379, 51720), (431, 45480), (758, 25860), (862, 22740), (1137, 17240), (1293, 15160), (1516, 12930), (1724, 11370), (1895, 10344), (2155, 9096), (2274, 8620), (2586, 7580), (3032, 6465), (3448, 5685), (3790, 5172), (4310, 4548)]