13816420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 30925440

約数和(自身を除く): 17109020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 353, 380, 412, 515, 706, 1030, 1412, 1765, 1957, 2060, 3530, 3914, 6707, 7060, 7828, 9785, 13414, 19570, 26828, 33535, 36359, 39140, 67070, 72718, 134140, 145436, 181795, 363590, 690821, 727180, 1381642, 2763284, 3454105, 6908210, 13816420]

約数ペア:

[(1, 13816420), (2, 6908210), (4, 3454105), (5, 2763284), (10, 1381642), (19, 727180), (20, 690821), (38, 363590), (76, 181795), (95, 145436), (103, 134140), (190, 72718), (206, 67070), (353, 39140), (380, 36359), (412, 33535), (515, 26828), (706, 19570), (1030, 13414), (1412, 9785), (1765, 7828), (1957, 7060), (2060, 6707), (3530, 3914)]