18841625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 26148096

約数和(自身を除く): 7306471

約数列:

[1, 5, 11, 25, 55, 71, 125, 193, 275, 355, 781, 965, 1375, 1775, 2123, 3905, 4825, 8875, 10615, 13703, 19525, 24125, 53075, 68515, 97625, 150733, 265375, 342575, 753665, 1712875, 3768325, 18841625]

約数ペア:

[(1, 18841625), (5, 3768325), (11, 1712875), (25, 753665), (55, 342575), (71, 265375), (125, 150733), (193, 97625), (275, 68515), (355, 53075), (781, 24125), (965, 19525), (1375, 13703), (1775, 10615), (2123, 8875), (3905, 4825)]