18910035

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 17650125

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1301, 1615, 2907, 3903, 4845, 6505, 11709, 14535, 19515, 22117, 24719, 58545, 66351, 74157, 110585, 123595, 199053, 222471, 331755, 370785, 420223, 995265, 1112355, 1260669, 2101115, 3782007, 6303345, 18910035]

約数ペア:

[(1, 18910035), (3, 6303345), (5, 3782007), (9, 2101115), (15, 1260669), (17, 1112355), (19, 995265), (45, 420223), (51, 370785), (57, 331755), (85, 222471), (95, 199053), (153, 123595), (171, 110585), (255, 74157), (285, 66351), (323, 58545), (765, 24719), (855, 22117), (969, 19515), (1301, 14535), (1615, 11709), (2907, 6505), (3903, 4845)]