19987038

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{16573}}^1$

素因数の和:16648

約数の個数: 24

約数和(自身を含む): 43954248

約数和(自身を除く): 23967210

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 16573, 33146, 49719, 99438, 149157, 298314, 1110391, 2220782, 3331173, 6662346, 9993519, 19987038]

約数ペア:

[(1, 19987038), (2, 9993519), (3, 6662346), (6, 3331173), (9, 2220782), (18, 1110391), (67, 298314), (134, 149157), (201, 99438), (402, 49719), (603, 33146), (1206, 16573)]