19660250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4175

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 19090150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4139, 4750, 8278, 20695, 41390, 78641, 103475, 157282, 206950, 393205, 517375, 786410, 1034750, 1966025, 3932050, 9830125, 19660250]

約数ペア:

[(1, 19660250), (2, 9830125), (5, 3932050), (10, 1966025), (19, 1034750), (25, 786410), (38, 517375), (50, 393205), (95, 206950), (125, 157282), (190, 103475), (250, 78641), (475, 41390), (950, 20695), (2375, 8278), (4139, 4750)]