19207025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 25828704

約数和(自身を除く): 6621679

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1051, 1075, 3655, 5255, 17867, 18275, 26275, 45193, 89335, 225965, 446675, 768281, 1129825, 3841405, 19207025]

約数ペア:

[(1, 19207025), (5, 3841405), (17, 1129825), (25, 768281), (43, 446675), (85, 225965), (215, 89335), (425, 45193), (731, 26275), (1051, 18275), (1075, 17867), (3655, 5255)]