2019919363

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1\times {\mathrm{1879}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 2633564160

約数和(自身を除く): 613644797

約数列:

[1, 7, 11, 23, 77, 161, 253, 607, 1771, 1879, 4249, 6677, 13153, 13961, 20669, 43217, 46739, 97727, 144683, 153571, 302519, 475387, 1074997, 1140553, 3327709, 7983871, 12546083, 26232719, 87822581, 183629033, 288559909, 2019919363]

約数ペア:

[(1, 2019919363), (7, 288559909), (11, 183629033), (23, 87822581), (77, 26232719), (161, 12546083), (253, 7983871), (607, 3327709), (1771, 1140553), (1879, 1074997), (4249, 475387), (6677, 302519), (13153, 153571), (13961, 144683), (20669, 97727), (43217, 46739)]