19812844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6947}}^1$

素因数の和:7005

約数の個数: 24

約数和(自身を含む): 37352448

約数和(自身を除く): 17539604

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 713, 1426, 2852, 6947, 13894, 27788, 159781, 215357, 319562, 430714, 639124, 861428, 4953211, 9906422, 19812844]

約数ペア:

[(1, 19812844), (2, 9906422), (4, 4953211), (23, 861428), (31, 639124), (46, 430714), (62, 319562), (92, 215357), (124, 159781), (713, 27788), (1426, 13894), (2852, 6947)]