19641724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 18291332

約数列:

[1, 2, 4, 23, 31, 46, 62, 71, 92, 97, 124, 142, 194, 284, 388, 713, 1426, 1633, 2201, 2231, 2852, 3007, 3266, 4402, 4462, 6014, 6532, 6887, 8804, 8924, 12028, 13774, 27548, 50623, 69161, 101246, 138322, 158401, 202492, 213497, 276644, 316802, 426994, 633604, 853988, 4910431, 9820862, 19641724]

約数ペア:

[(1, 19641724), (2, 9820862), (4, 4910431), (23, 853988), (31, 633604), (46, 426994), (62, 316802), (71, 276644), (92, 213497), (97, 202492), (124, 158401), (142, 138322), (194, 101246), (284, 69161), (388, 50623), (713, 27548), (1426, 13774), (1633, 12028), (2201, 8924), (2231, 8804), (2852, 6887), (3007, 6532), (3266, 6014), (4402, 4462)]