19380004

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{823}}^1$

素因数の和:892

約数の個数: 36

約数和(自身を含む): 40191424

約数和(自身を除く): 20811420

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 823, 841, 1646, 1682, 3292, 3364, 5761, 5887, 11522, 11774, 23044, 23548, 23867, 47734, 95468, 167069, 334138, 668276, 692143, 1384286, 2768572, 4845001, 9690002, 19380004]

約数ペア:

[(1, 19380004), (2, 9690002), (4, 4845001), (7, 2768572), (14, 1384286), (28, 692143), (29, 668276), (58, 334138), (116, 167069), (203, 95468), (406, 47734), (812, 23867), (823, 23548), (841, 23044), (1646, 11774), (1682, 11522), (3292, 5887), (3364, 5761)]