19800957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16217}}^1$

素因数の和:16268

約数の個数: 16

約数和(自身を含む): 29581632

約数和(自身を除く): 9780675

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16217, 48651, 178387, 535161, 600029, 1800087, 6600319, 19800957]

約数ペア:

[(1, 19800957), (3, 6600319), (11, 1800087), (33, 600029), (37, 535161), (111, 178387), (407, 48651), (1221, 16217)]