19660648

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8563}}^1$

素因数の和:8617

約数の個数: 32

約数和(自身を含む): 43162560

約数和(自身を除く): 23501912

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8563, 17126, 34252, 59941, 68504, 119882, 239764, 351083, 479528, 702166, 1404332, 2457581, 2808664, 4915162, 9830324, 19660648]

約数ペア:

[(1, 19660648), (2, 9830324), (4, 4915162), (7, 2808664), (8, 2457581), (14, 1404332), (28, 702166), (41, 479528), (56, 351083), (82, 239764), (164, 119882), (287, 68504), (328, 59941), (574, 34252), (1148, 17126), (2296, 8563)]