19609712

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20773}}^1$

素因数の和:20840

約数の個数: 20

約数和(自身を含む): 38639640

約数和(自身を除く): 19029928

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20773, 41546, 83092, 166184, 332368, 1225607, 2451214, 4902428, 9804856, 19609712]

約数ペア:

[(1, 19609712), (2, 9804856), (4, 4902428), (8, 2451214), (16, 1225607), (59, 332368), (118, 166184), (236, 83092), (472, 41546), (944, 20773)]