19564280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28771}}^1$

素因数の和:28799

約数の個数: 32

約数和(自身を含む): 46610640

約数和(自身を除く): 27046360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28771, 57542, 115084, 143855, 230168, 287710, 489107, 575420, 978214, 1150840, 1956428, 2445535, 3912856, 4891070, 9782140, 19564280]

約数ペア:

[(1, 19564280), (2, 9782140), (4, 4891070), (5, 3912856), (8, 2445535), (10, 1956428), (17, 1150840), (20, 978214), (34, 575420), (40, 489107), (68, 287710), (85, 230168), (136, 143855), (170, 115084), (340, 57542), (680, 28771)]