19325404

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2354

約数の個数: 36

約数和(自身を含む): 40273464

約数和(自身を除く): 20948060

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 2293, 4214, 4586, 8428, 9172, 16051, 32102, 64204, 98599, 112357, 197198, 224714, 394396, 449428, 690193, 1380386, 2760772, 4831351, 9662702, 19325404]

約数ペア:

[(1, 19325404), (2, 9662702), (4, 4831351), (7, 2760772), (14, 1380386), (28, 690193), (43, 449428), (49, 394396), (86, 224714), (98, 197198), (172, 112357), (196, 98599), (301, 64204), (602, 32102), (1204, 16051), (2107, 9172), (2293, 8428), (4214, 4586)]