19354740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 54499200

約数和(自身を除く): 35144460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1621, 1990, 2388, 2985, 3242, 3980, 4863, 5970, 6484, 8105, 9726, 11940, 16210, 19452, 24315, 32420, 48630, 97260, 322579, 645158, 967737, 1290316, 1612895, 1935474, 3225790, 3870948, 4838685, 6451580, 9677370, 19354740]

約数ペア:

[(1, 19354740), (2, 9677370), (3, 6451580), (4, 4838685), (5, 3870948), (6, 3225790), (10, 1935474), (12, 1612895), (15, 1290316), (20, 967737), (30, 645158), (60, 322579), (199, 97260), (398, 48630), (597, 32420), (796, 24315), (995, 19452), (1194, 16210), (1621, 11940), (1990, 9726), (2388, 8105), (2985, 6484), (3242, 5970), (3980, 4863)]