19516425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15307}}^1$

素因数の和:15337

約数の個数: 24

約数和(自身を含む): 34167456

約数和(自身を除く): 14651031

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15307, 45921, 76535, 229605, 260219, 382675, 780657, 1148025, 1301095, 3903285, 6505475, 19516425]

約数ペア:

[(1, 19516425), (3, 6505475), (5, 3903285), (15, 1301095), (17, 1148025), (25, 780657), (51, 382675), (75, 260219), (85, 229605), (255, 76535), (425, 45921), (1275, 15307)]