22781228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7037

約数の個数: 24

約数和(自身を含む): 42947520

約数和(自身を除く): 20166292

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6971, 13942, 27884, 132449, 264898, 299753, 529796, 599506, 1199012, 5695307, 11390614, 22781228]

約数ペア:

[(1, 22781228), (2, 11390614), (4, 5695307), (19, 1199012), (38, 599506), (43, 529796), (76, 299753), (86, 264898), (172, 132449), (817, 27884), (1634, 13942), (3268, 6971)]