19691224

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4451}}^1$

素因数の和:4543

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 23047976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4451, 8902, 17804, 31157, 35608, 62314, 124628, 249256, 351629, 703258, 1406516, 2461403, 2813032, 4922806, 9845612, 19691224]

約数ペア:

[(1, 19691224), (2, 9845612), (4, 4922806), (7, 2813032), (8, 2461403), (14, 1406516), (28, 703258), (56, 351629), (79, 249256), (158, 124628), (316, 62314), (553, 35608), (632, 31157), (1106, 17804), (2212, 8902), (4424, 4451)]