19991962

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11119}}^1$

素因数の和:11181

約数の個数: 16

約数和(自身を含む): 32025600

約数和(自身を除く): 12033638

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 11119, 22238, 322451, 344689, 644902, 689378, 9995981, 19991962]

約数ペア:

[(1, 19991962), (2, 9995981), (29, 689378), (31, 644902), (58, 344689), (62, 322451), (899, 22238), (1798, 11119)]