19949925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15647}}^1$

素因数の和:15677

約数の個数: 24

約数和(自身を含む): 34926336

約数和(自身を除く): 14976411

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15647, 46941, 78235, 234705, 265999, 391175, 797997, 1173525, 1329995, 3989985, 6649975, 19949925]

約数ペア:

[(1, 19949925), (3, 6649975), (5, 3989985), (15, 1329995), (17, 1173525), (25, 797997), (51, 391175), (75, 265999), (85, 234705), (255, 78235), (425, 46941), (1275, 15647)]