19571596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 20788724

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 571, 779, 836, 902, 1142, 1558, 1804, 2284, 3116, 6281, 8569, 10849, 12562, 17138, 21698, 23411, 25124, 34276, 43396, 46822, 93644, 119339, 238678, 257521, 444809, 477356, 515042, 889618, 1030084, 1779236, 4892899, 9785798, 19571596]

約数ペア:

[(1, 19571596), (2, 9785798), (4, 4892899), (11, 1779236), (19, 1030084), (22, 889618), (38, 515042), (41, 477356), (44, 444809), (76, 257521), (82, 238678), (164, 119339), (209, 93644), (418, 46822), (451, 43396), (571, 34276), (779, 25124), (836, 23411), (902, 21698), (1142, 17138), (1558, 12562), (1804, 10849), (2284, 8569), (3116, 6281)]