19992742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 17643098

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 659, 1318, 1379, 2167, 2758, 4334, 4613, 7249, 9226, 14498, 15169, 30338, 50743, 101486, 129823, 259646, 908761, 1428053, 1817522, 2856106, 9996371, 19992742]

約数ペア:

[(1, 19992742), (2, 9996371), (7, 2856106), (11, 1817522), (14, 1428053), (22, 908761), (77, 259646), (154, 129823), (197, 101486), (394, 50743), (659, 30338), (1318, 15169), (1379, 14498), (2167, 9226), (2758, 7249), (4334, 4613)]