19397888

素因数分解:

$2^8\times {\mathrm{75773}}^1$

素因数の和:75789

約数の個数: 18

約数和(自身を含む): 38720514

約数和(自身を除く): 19322626

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 75773, 151546, 303092, 606184, 1212368, 2424736, 4849472, 9698944, 19397888]

約数ペア:

[(1, 19397888), (2, 9698944), (4, 4849472), (8, 2424736), (16, 1212368), (32, 606184), (64, 303092), (128, 151546), (256, 75773)]