19556746

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:618

約数の個数: 24

約数和(自身を含む): 32481792

約数和(自身を除く): 12925046

約数列:

[1, 2, 11, 22, 121, 211, 242, 383, 422, 766, 2321, 4213, 4642, 8426, 25531, 46343, 51062, 80813, 92686, 161626, 888943, 1777886, 9778373, 19556746]

約数ペア:

[(1, 19556746), (2, 9778373), (11, 1777886), (22, 888943), (121, 161626), (211, 92686), (242, 80813), (383, 51062), (422, 46343), (766, 25531), (2321, 8426), (4213, 4642)]