19618565525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{2683}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 26558716800

約数和(自身を除く): 6940151275

約数列:

[1, 5, 13, 25, 65, 149, 151, 325, 745, 755, 1937, 1963, 2683, 3725, 3775, 9685, 9815, 13415, 22499, 34879, 48425, 49075, 67075, 112495, 174395, 292487, 399767, 405133, 562475, 871975, 1462435, 1998835, 2025665, 5196971, 5266729, 7312175, 9994175, 10128325, 25984855, 26333645, 60364817, 129924275, 131668225, 301824085, 784742621, 1509120425, 3923713105, 19618565525]

約数ペア:

[(1, 19618565525), (5, 3923713105), (13, 1509120425), (25, 784742621), (65, 301824085), (149, 131668225), (151, 129924275), (325, 60364817), (745, 26333645), (755, 25984855), (1937, 10128325), (1963, 9994175), (2683, 7312175), (3725, 5266729), (3775, 5196971), (9685, 2025665), (9815, 1998835), (13415, 1462435), (22499, 871975), (34879, 562475), (48425, 405133), (49075, 399767), (67075, 292487), (112495, 174395)]