19684346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 33445440

約数和(自身を除く): 13761094

約数列:

[1, 2, 11, 22, 41, 82, 139, 157, 278, 314, 451, 902, 1529, 1727, 3058, 3454, 5699, 6437, 11398, 12874, 21823, 43646, 62689, 70807, 125378, 141614, 240053, 480106, 894743, 1789486, 9842173, 19684346]

約数ペア:

[(1, 19684346), (2, 9842173), (11, 1789486), (22, 894743), (41, 480106), (82, 240053), (139, 141614), (157, 125378), (278, 70807), (314, 62689), (451, 43646), (902, 21823), (1529, 12874), (1727, 11398), (3058, 6437), (3454, 5699)]