19802998

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 30839760

約数和(自身を除く): 11036762

約数列:

[1, 2, 29, 58, 421, 811, 842, 1622, 12209, 23519, 24418, 47038, 341431, 682862, 9901499, 19802998]

約数ペア:

[(1, 19802998), (2, 9901499), (29, 682862), (58, 341431), (421, 47038), (811, 24418), (842, 23519), (1622, 12209)]