19943325

素因数分解:

$3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{587}}^1$

素因数の和:754

約数の個数: 36

約数和(自身を含む): 36018528

約数和(自身を除く): 16075203

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 151, 225, 453, 587, 755, 1359, 1761, 2265, 2935, 3775, 5283, 6795, 8805, 11325, 14675, 26415, 33975, 44025, 88637, 132075, 265911, 443185, 797733, 1329555, 2215925, 3988665, 6647775, 19943325]

約数ペア:

[(1, 19943325), (3, 6647775), (5, 3988665), (9, 2215925), (15, 1329555), (25, 797733), (45, 443185), (75, 265911), (151, 132075), (225, 88637), (453, 44025), (587, 33975), (755, 26415), (1359, 14675), (1761, 11325), (2265, 8805), (2935, 6795), (3775, 5283)]