19557225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5113}}^1$

素因数の和:5146

約数の個数: 36

約数和(自身を含む): 37096956

約数和(自身を除く): 17539731

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5113, 15339, 25565, 46017, 76695, 86921, 127825, 230085, 260763, 383475, 434605, 782289, 1150425, 1303815, 2173025, 3911445, 6519075, 19557225]

約数ペア:

[(1, 19557225), (3, 6519075), (5, 3911445), (9, 2173025), (15, 1303815), (17, 1150425), (25, 782289), (45, 434605), (51, 383475), (75, 260763), (85, 230085), (153, 127825), (225, 86921), (255, 76695), (425, 46017), (765, 25565), (1275, 15339), (3825, 5113)]