19971306

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5209}}^1$

素因数の和:5291

約数の個数: 32

約数和(自身を含む): 45014400

約数和(自身を除く): 25043094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5209, 10418, 15627, 31254, 46881, 93762, 140643, 281286, 369839, 739678, 1109517, 2219034, 3328551, 6657102, 9985653, 19971306]

約数ペア:

[(1, 19971306), (2, 9985653), (3, 6657102), (6, 3328551), (9, 2219034), (18, 1109517), (27, 739678), (54, 369839), (71, 281286), (142, 140643), (213, 93762), (426, 46881), (639, 31254), (1278, 15627), (1917, 10418), (3834, 5209)]