19651605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 14096235

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1301, 3021, 3903, 5035, 6505, 15105, 19515, 24719, 68953, 74157, 123595, 206859, 344765, 370785, 1034295, 1310107, 3930321, 6550535, 19651605]

約数ペア:

[(1, 19651605), (3, 6550535), (5, 3930321), (15, 1310107), (19, 1034295), (53, 370785), (57, 344765), (95, 206859), (159, 123595), (265, 74157), (285, 68953), (795, 24719), (1007, 19515), (1301, 15105), (3021, 6505), (3903, 5035)]