19651730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{733}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 40587264

約数和(自身を除く): 20935534

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 383, 733, 766, 1466, 1915, 2681, 3665, 3830, 5131, 5362, 7330, 10262, 13405, 25655, 26810, 51310, 280739, 561478, 1403695, 1965173, 2807390, 3930346, 9825865, 19651730]

約数ペア:

[(1, 19651730), (2, 9825865), (5, 3930346), (7, 2807390), (10, 1965173), (14, 1403695), (35, 561478), (70, 280739), (383, 51310), (733, 26810), (766, 25655), (1466, 13405), (1915, 10262), (2681, 7330), (3665, 5362), (3830, 5131)]